Home / 10,481.71-15,724.49-3,462.20

Finding the Fourth Proportional to 10,481.71, 15,724.49 and 3,462.20

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Solution

The fourth proportional to 10,481.71, 15,724.49 and 3,462.20 is: 5,193.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.71 : 15,724.49 = 3,462.20 : x
  2. Step 2: Convert to fraction form
    10,481.71/15,724.49 = 3,462.20/x
  3. Step 3: Cross multiply
    10,481.71x = 15,724.49 × 3,462.20
  4. Step 4: Simplify right side
    10,481.71x = 54,441,329.28
  5. Step 5: Solve for x
    x = 54,441,329.28/10,481.71
  6. Step 6: Final answer
    x = 5,193.94

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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.