Home / 8,432.40-12,634.20-5,962.48

Finding the Fourth Proportional to 8,432.40, 12,634.20 and 5,962.48

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Solution

The fourth proportional to 8,432.40, 12,634.20 and 5,962.48 is: 8,933.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.40 : 12,634.20 = 5,962.48 : x
  2. Step 2: Convert to fraction form
    8,432.40/12,634.20 = 5,962.48/x
  3. Step 3: Cross multiply
    8,432.40x = 12,634.20 × 5,962.48
  4. Step 4: Simplify right side
    8,432.40x = 75,331,164.82
  5. Step 5: Solve for x
    x = 75,331,164.82/8,432.40
  6. Step 6: Final answer
    x = 8,933.54

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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.