Home / 11,251.72-16,874.38-4,669.76

Finding the Fourth Proportional to 11,251.72, 16,874.38 and 4,669.76

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Solution

The fourth proportional to 11,251.72, 16,874.38 and 4,669.76 is: 7,003.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.72 : 16,874.38 = 4,669.76 : x
  2. Step 2: Convert to fraction form
    11,251.72/16,874.38 = 4,669.76/x
  3. Step 3: Cross multiply
    11,251.72x = 16,874.38 × 4,669.76
  4. Step 4: Simplify right side
    11,251.72x = 78,799,304.75
  5. Step 5: Solve for x
    x = 78,799,304.75/11,251.72
  6. Step 6: Final answer
    x = 7,003.31

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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.