Home / 10,572.92-15,859.42-3,177.40

Finding the Fourth Proportional to 10,572.92, 15,859.42 and 3,177.40

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Solution

The fourth proportional to 10,572.92, 15,859.42 and 3,177.40 is: 4,766.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572.92 : 15,859.42 = 3,177.40 : x
  2. Step 2: Convert to fraction form
    10,572.92/15,859.42 = 3,177.40/x
  3. Step 3: Cross multiply
    10,572.92x = 15,859.42 × 3,177.40
  4. Step 4: Simplify right side
    10,572.92x = 50,391,721.11
  5. Step 5: Solve for x
    x = 50,391,721.11/10,572.92
  6. Step 6: Final answer
    x = 4,766.11

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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.