solve each proportion for x.

Question

1. 10/x = 5/14 2. x/8 = 9/19 3. 1/5 = 9/x 4. x/x+1 = 2/5. Solve these proportion for x.

Answer 1

Here's how you do them:

 

10          5

----  =  -----

 x           14

 

Cross multiply:

 

10*14 = 5x

 

140 = 5x

 

Divide by 5:

 

28 = x

 

Can you do the rest of them?