Home / 10,481.38-15,724.13-3,461.11

Finding the Fourth Proportional to 10,481.38, 15,724.13 and 3,461.11

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Solution

The fourth proportional to 10,481.38, 15,724.13 and 3,461.11 is: 5,192.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.38 : 15,724.13 = 3,461.11 : x
  2. Step 2: Convert to fraction form
    10,481.38/15,724.13 = 3,461.11/x
  3. Step 3: Cross multiply
    10,481.38x = 15,724.13 × 3,461.11
  4. Step 4: Simplify right side
    10,481.38x = 54,422,943.58
  5. Step 5: Solve for x
    x = 54,422,943.58/10,481.38
  6. Step 6: Final answer
    x = 5,192.35

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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.