Home / 10,901.57-16,331.24-6,387.73

Finding the Fourth Proportional to 10,901.57, 16,331.24 and 6,387.73

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Solution

The fourth proportional to 10,901.57, 16,331.24 and 6,387.73 is: 9,569.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.57 : 16,331.24 = 6,387.73 : x
  2. Step 2: Convert to fraction form
    10,901.57/16,331.24 = 6,387.73/x
  3. Step 3: Cross multiply
    10,901.57x = 16,331.24 × 6,387.73
  4. Step 4: Simplify right side
    10,901.57x = 104,319,526.83
  5. Step 5: Solve for x
    x = 104,319,526.83/10,901.57
  6. Step 6: Final answer
    x = 9,569.22

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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.