Home / 10,170.09-14,024.86-7,931.14

Finding the Fourth Proportional to 10,170.09, 14,024.86 and 7,931.14

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Solution

The fourth proportional to 10,170.09, 14,024.86 and 7,931.14 is: 10,937.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,170.09 : 14,024.86 = 7,931.14 : x
  2. Step 2: Convert to fraction form
    10,170.09/14,024.86 = 7,931.14/x
  3. Step 3: Cross multiply
    10,170.09x = 14,024.86 × 7,931.14
  4. Step 4: Simplify right side
    10,170.09x = 111,233,088.48
  5. Step 5: Solve for x
    x = 111,233,088.48/10,170.09
  6. Step 6: Final answer
    x = 10,937.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.