Home / 11,180.52-15,427.29-6,463.89

Finding the Fourth Proportional to 11,180.52, 15,427.29 and 6,463.89

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Solution

The fourth proportional to 11,180.52, 15,427.29 and 6,463.89 is: 8,919.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.52 : 15,427.29 = 6,463.89 : x
  2. Step 2: Convert to fraction form
    11,180.52/15,427.29 = 6,463.89/x
  3. Step 3: Cross multiply
    11,180.52x = 15,427.29 × 6,463.89
  4. Step 4: Simplify right side
    11,180.52x = 99,720,305.56
  5. Step 5: Solve for x
    x = 99,720,305.56/11,180.52
  6. Step 6: Final answer
    x = 8,919.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.