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Finding the Fourth Proportional to 8,361.24, 12,550.95 and 6,287.19

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Solution

The fourth proportional to 8,361.24, 12,550.95 and 6,287.19 is: 9,437.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361.24 : 12,550.95 = 6,287.19 : x
  2. Step 2: Convert to fraction form
    8,361.24/12,550.95 = 6,287.19/x
  3. Step 3: Cross multiply
    8,361.24x = 12,550.95 × 6,287.19
  4. Step 4: Simplify right side
    8,361.24x = 78,910,207.33
  5. Step 5: Solve for x
    x = 78,910,207.33/8,361.24
  6. Step 6: Final answer
    x = 9,437.62

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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.