Question

What is the solution to the proportion
6/10 = 9/x

A.
15

B.
5.4

C.
13

D.
30

Answer 1

15. Mutiply 10 times 9. Gives you 90. Then divide by 6. 90/6=15.

Answer 2

Thanks could you help me with a few more?

Answer 3

Sure. Let's see if I can solve them.

Answer 4

Okay I'l tag you

Answer 5

B 5.4

Answer 6

How so? @nathanff

Answer 7

sorry

Answer 8

15

Answer 9

x[6/10]=x[9/x]

6x/10=9

10[6x/10]=10[9]

6x=90
6x/6=90/6

x=15