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Finding the Fourth Proportional to 8,243.97, 12,352.99 and 6,374.43

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Solution

The fourth proportional to 8,243.97, 12,352.99 and 6,374.43 is: 9,551.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.97 : 12,352.99 = 6,374.43 : x
  2. Step 2: Convert to fraction form
    8,243.97/12,352.99 = 6,374.43/x
  3. Step 3: Cross multiply
    8,243.97x = 12,352.99 × 6,374.43
  4. Step 4: Simplify right side
    8,243.97x = 78,743,270.05
  5. Step 5: Solve for x
    x = 78,743,270.05/8,243.97
  6. Step 6: Final answer
    x = 9,551.62

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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.