Home / 10,490.45-15,737.99-3,472.65

Finding the Fourth Proportional to 10,490.45, 15,737.99 and 3,472.65

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Solution

The fourth proportional to 10,490.45, 15,737.99 and 3,472.65 is: 5,209.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490.45 : 15,737.99 = 3,472.65 : x
  2. Step 2: Convert to fraction form
    10,490.45/15,737.99 = 3,472.65/x
  3. Step 3: Cross multiply
    10,490.45x = 15,737.99 × 3,472.65
  4. Step 4: Simplify right side
    10,490.45x = 54,652,513.61
  5. Step 5: Solve for x
    x = 54,652,513.61/10,490.45
  6. Step 6: Final answer
    x = 5,209.74

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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.