Home / 10,481.20-15,724.08-3,461.52

Finding the Fourth Proportional to 10,481.20, 15,724.08 and 3,461.52

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Solution

The fourth proportional to 10,481.20, 15,724.08 and 3,461.52 is: 5,193.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.20 : 15,724.08 = 3,461.52 : x
  2. Step 2: Convert to fraction form
    10,481.20/15,724.08 = 3,461.52/x
  3. Step 3: Cross multiply
    10,481.20x = 15,724.08 × 3,461.52
  4. Step 4: Simplify right side
    10,481.20x = 54,429,217.40
  5. Step 5: Solve for x
    x = 54,429,217.40/10,481.20
  6. Step 6: Final answer
    x = 5,193.03

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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.