Home / 7,414.02-11,115.78-3,713.61

Finding the Fourth Proportional to 7,414.02, 11,115.78 and 3,713.61

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Solution

The fourth proportional to 7,414.02, 11,115.78 and 3,713.61 is: 5,567.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.02 : 11,115.78 = 3,713.61 : x
  2. Step 2: Convert to fraction form
    7,414.02/11,115.78 = 3,713.61/x
  3. Step 3: Cross multiply
    7,414.02x = 11,115.78 × 3,713.61
  4. Step 4: Simplify right side
    7,414.02x = 41,279,671.77
  5. Step 5: Solve for x
    x = 41,279,671.77/7,414.02
  6. Step 6: Final answer
    x = 5,567.79

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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.