Question

find x in this proportion 8:9::x:86​

Answer 1

Step-by-step explanation:

Product of extremes = Product of Means

= 8 × 86 = 9 × X

688 = 9x

X = 688/9

X = 76.44

Answer 2

Answer:

76.4 is the value of x in the given proportion.

To find:

Find x in this proportion 8 : 9 :: x : 86

Solution:

8 : 9 :: x : 86

By ratios and proportion, a : b :: c : d is equivalent to  $\frac{a}{b} = \frac{c}{d}$

Applying this formula in the given expression,

8 : 9 :: x : 86 is similar to $\frac{8}{9} =\frac {x}{86}$

x = $\frac{8}{9} \times 86$

x = 76.4

Result:

76.4 is the value of x in the given proportion.