Home / 8,497.20-12,738.54-3,229.26

Finding the Fourth Proportional to 8,497.20, 12,738.54 and 3,229.26

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Solution

The fourth proportional to 8,497.20, 12,738.54 and 3,229.26 is: 4,841.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,497.20 : 12,738.54 = 3,229.26 : x
  2. Step 2: Convert to fraction form
    8,497.20/12,738.54 = 3,229.26/x
  3. Step 3: Cross multiply
    8,497.20x = 12,738.54 × 3,229.26
  4. Step 4: Simplify right side
    8,497.20x = 41,136,057.68
  5. Step 5: Solve for x
    x = 41,136,057.68/8,497.20
  6. Step 6: Final answer
    x = 4,841.13

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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.