Question

. One surveillance camera captured the image of the thief exiting the bank. The image shows the thief standing next to the door. In real life, the door measures 84 inches, but it is only 16.8 centimeters in the picture. If the person in the photo is 13.2 centimeters tall, how tall is the suspect in real life? Report the height in feet and inches.
i really need to know how to do this!

Answer 1

@rizwan_uet do you know how to do this?

Answer 2

yap

Answer 3

i will give you the hint

size of door in picture = 16.8 cm
size of door in real life = 84 inches
hight of suspect in picture = 13.2 cm
hight of suspect in real life = unknown = x

Answer 4

i mostly need help setting up the proportion

Answer 5

now 1inch = 2.54 cm and 1 foot = 12 inches

now convert all data into inches first

then i will tell you how to set proportion

Answer 6

i can do it from there on i just don't understand what determines which side the proportion geos where

Answer 7

size of door in picture : hight of suspect in picture :: size of door in real life : hight of suspect in real life

Answer 8

ok thanks but i still dont understand why that goes there i need to know why because ive got about 10 more of these questions

Answer 9

ok i tell you

the size of images are scaled in the same ratio for both suspect the door in the camera
but in real life as bot suspect and the door are big in size but the ratio of their sizes remain the same

Answer 10

thanks