Home / 10,747.76-16,125.14-9,010.92

Finding the Fourth Proportional to 10,747.76, 16,125.14 and 9,010.92

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Solution

The fourth proportional to 10,747.76, 16,125.14 and 9,010.92 is: 13,519.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,747.76 : 16,125.14 = 9,010.92 : x
  2. Step 2: Convert to fraction form
    10,747.76/16,125.14 = 9,010.92/x
  3. Step 3: Cross multiply
    10,747.76x = 16,125.14 × 9,010.92
  4. Step 4: Simplify right side
    10,747.76x = 145,302,301.47
  5. Step 5: Solve for x
    x = 145,302,301.47/10,747.76
  6. Step 6: Final answer
    x = 13,519.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.