Home / 11,171.17-16,755.18-3,774.61

Finding the Fourth Proportional to 11,171.17, 16,755.18 and 3,774.61

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Solution

The fourth proportional to 11,171.17, 16,755.18 and 3,774.61 is: 5,661.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171.17 : 16,755.18 = 3,774.61 : x
  2. Step 2: Convert to fraction form
    11,171.17/16,755.18 = 3,774.61/x
  3. Step 3: Cross multiply
    11,171.17x = 16,755.18 × 3,774.61
  4. Step 4: Simplify right side
    11,171.17x = 63,244,269.98
  5. Step 5: Solve for x
    x = 63,244,269.98/11,171.17
  6. Step 6: Final answer
    x = 5,661.38

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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.