Home / 11,908.76-17,864.28-4,414.29

Finding the Fourth Proportional to 11,908.76, 17,864.28 and 4,414.29

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Solution

The fourth proportional to 11,908.76, 17,864.28 and 4,414.29 is: 6,621.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908.76 : 17,864.28 = 4,414.29 : x
  2. Step 2: Convert to fraction form
    11,908.76/17,864.28 = 4,414.29/x
  3. Step 3: Cross multiply
    11,908.76x = 17,864.28 × 4,414.29
  4. Step 4: Simplify right side
    11,908.76x = 78,858,112.56
  5. Step 5: Solve for x
    x = 78,858,112.56/11,908.76
  6. Step 6: Final answer
    x = 6,621.86

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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.