Home / 10,358.28-15,537.60-3,432.96

Finding the Fourth Proportional to 10,358.28, 15,537.60 and 3,432.96

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Solution

The fourth proportional to 10,358.28, 15,537.60 and 3,432.96 is: 5,149.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.28 : 15,537.60 = 3,432.96 : x
  2. Step 2: Convert to fraction form
    10,358.28/15,537.60 = 3,432.96/x
  3. Step 3: Cross multiply
    10,358.28x = 15,537.60 × 3,432.96
  4. Step 4: Simplify right side
    10,358.28x = 53,339,959.30
  5. Step 5: Solve for x
    x = 53,339,959.30/10,358.28
  6. Step 6: Final answer
    x = 5,149.50

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1.5x scale

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.