Home / 10,490.07-15,737.34-3,470.61

Finding the Fourth Proportional to 10,490.07, 15,737.34 and 3,470.61

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Solution

The fourth proportional to 10,490.07, 15,737.34 and 3,470.61 is: 5,206.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490.07 : 15,737.34 = 3,470.61 : x
  2. Step 2: Convert to fraction form
    10,490.07/15,737.34 = 3,470.61/x
  3. Step 3: Cross multiply
    10,490.07x = 15,737.34 × 3,470.61
  4. Step 4: Simplify right side
    10,490.07x = 54,618,169.58
  5. Step 5: Solve for x
    x = 54,618,169.58/10,490.07
  6. Step 6: Final answer
    x = 5,206.65

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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.