Question

8:12=6:a what is the value of a

Answer 1

9

Explanation:

`(8)/(12)=(6)/(a)`

`(2)/(3)=(6)/(a)`

`2a=6\cdot{3}`

`2a=18`

`a=(18)/(2)`

`a=9`

Answer 2

a = 9

Explanation:

So in this case you just cross multiply

8 : 12 = 6 : a

6(12) = 8(a)

72 = 8a

Divide both sides by 8

a = 9