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(x+4), (x+12), (x-1) and (x+5) are in proportion. Find the value of x.
a. 15
b. 12
d.. 20
c. 16
111

Sagot :

Minhanhphamidn

Answer:

Find the value of x, if 8,x, x, 50 are in proportion.

If a,b,c and d are in proportion then we have a/b = c/d

Now we need to find the value of x given if 8, x, x, 50 are in proportion.

So we have 8/x = x/50

      Or x x x = 8 x 50

     Or x^2 = 400

     Or x = ±√400

      Or x = ± 20

Therefore the value of x will be + 20 or - 20

Step-by-step explanation:

The value of x from the given numbers in proportion is; C: 16

What is the value of the numbers in proportion?

If the numbers a, b, c and d are in proportion then we will say that;

a/b = c/d

Now, (x+4), (x+12), (x-1) and (x+5) are in proportion. Then we have;

(x + 4)/(x + 12) = (x - 1)/(x + 5)

Cross multiply to get;

x² + 9x + 20 = x² + 11x - 12

11x - 9x = 20 + 12

2x = 32

x = 16

Read more about proportion at; https://brainly.com/question/1781657

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