Home / 10,107.92-15,156.60-3,180.56

Finding the Fourth Proportional to 10,107.92, 15,156.60 and 3,180.56

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Solution

The fourth proportional to 10,107.92, 15,156.60 and 3,180.56 is: 4,769.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.92 : 15,156.60 = 3,180.56 : x
  2. Step 2: Convert to fraction form
    10,107.92/15,156.60 = 3,180.56/x
  3. Step 3: Cross multiply
    10,107.92x = 15,156.60 × 3,180.56
  4. Step 4: Simplify right side
    10,107.92x = 48,206,475.70
  5. Step 5: Solve for x
    x = 48,206,475.70/10,107.92
  6. Step 6: Final answer
    x = 4,769.18

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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.