Respuesta :
Answer:
[tex]x = 30[/tex]
Step-by-step explanation:
If 3, 9, 10, x are in proportion. Then,
[tex]x \times 3 = 10 \times 9[/tex]
[tex]x \times 3 = 90[/tex]
[tex]x = \frac{90}{3} [/tex]
[tex]x = 30[/tex]
Hope it is helpful.....
Step-by-step explanation:
Given that 3, 9, 10, x are in proportion <br> product of exterms = Product of means <br>
<br>
3x=9×10
X=(9x10)/3
X=90/3
X=30