Home / 10,432.20-15,648.30-3,506.70

Finding the Fourth Proportional to 10,432.20, 15,648.30 and 3,506.70

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Solution

The fourth proportional to 10,432.20, 15,648.30 and 3,506.70 is: 5,260.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432.20 : 15,648.30 = 3,506.70 : x
  2. Step 2: Convert to fraction form
    10,432.20/15,648.30 = 3,506.70/x
  3. Step 3: Cross multiply
    10,432.20x = 15,648.30 × 3,506.70
  4. Step 4: Simplify right side
    10,432.20x = 54,873,893.61
  5. Step 5: Solve for x
    x = 54,873,893.61/10,432.20
  6. Step 6: Final answer
    x = 5,260.05

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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.