Question

3/4=9/x

I need to know how to solve this not just the answer please.

Answer 1

Cross-multiply and divide by 3

Answer 2

you can cross multiply?

Answer 3

find lcd
then multiply through b this to eliminate the fractions
then solve f or x

Answer 4

I did the cross multiplying. 3*x=3x & 4*9=36
That gave me 3x=36
Then i did 3x/3= x & 36/3= 12
so i got x=12
Is that right?

Answer 5

dead right

Answer 6

YAY!! THX!!!!

Answer 7

cross multiplying works when you have 1 or 2 fractions - if there are more than 2 fractions the method i mentioned can be used