Home / 10,972.92-16,459.36-3,953.86

Finding the Fourth Proportional to 10,972.92, 16,459.36 and 3,953.86

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Solution

The fourth proportional to 10,972.92, 16,459.36 and 3,953.86 is: 5,930.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972.92 : 16,459.36 = 3,953.86 : x
  2. Step 2: Convert to fraction form
    10,972.92/16,459.36 = 3,953.86/x
  3. Step 3: Cross multiply
    10,972.92x = 16,459.36 × 3,953.86
  4. Step 4: Simplify right side
    10,972.92x = 65,078,005.13
  5. Step 5: Solve for x
    x = 65,078,005.13/10,972.92
  6. Step 6: Final answer
    x = 5,930.78

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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.