Home / 8,905.52-13,338.84-5,432.24

Finding the Fourth Proportional to 8,905.52, 13,338.84 and 5,432.24

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Solution

The fourth proportional to 8,905.52, 13,338.84 and 5,432.24 is: 8,136.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.52 : 13,338.84 = 5,432.24 : x
  2. Step 2: Convert to fraction form
    8,905.52/13,338.84 = 5,432.24/x
  3. Step 3: Cross multiply
    8,905.52x = 13,338.84 × 5,432.24
  4. Step 4: Simplify right side
    8,905.52x = 72,459,780.20
  5. Step 5: Solve for x
    x = 72,459,780.20/8,905.52
  6. Step 6: Final answer
    x = 8,136.50

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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.