Home / 8,531.12-12,796.68-5,622.41

Finding the Fourth Proportional to 8,531.12, 12,796.68 and 5,622.41

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Solution

The fourth proportional to 8,531.12, 12,796.68 and 5,622.41 is: 8,433.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531.12 : 12,796.68 = 5,622.41 : x
  2. Step 2: Convert to fraction form
    8,531.12/12,796.68 = 5,622.41/x
  3. Step 3: Cross multiply
    8,531.12x = 12,796.68 × 5,622.41
  4. Step 4: Simplify right side
    8,531.12x = 71,948,234.67
  5. Step 5: Solve for x
    x = 71,948,234.67/8,531.12
  6. Step 6: Final answer
    x = 8,433.62

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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.