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Finding the Fourth Proportional to 8,354.68, 12,522.30 and 6,713.08

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Solution

The fourth proportional to 8,354.68, 12,522.30 and 6,713.08 is: 10,061.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354.68 : 12,522.30 = 6,713.08 : x
  2. Step 2: Convert to fraction form
    8,354.68/12,522.30 = 6,713.08/x
  3. Step 3: Cross multiply
    8,354.68x = 12,522.30 × 6,713.08
  4. Step 4: Simplify right side
    8,354.68x = 84,063,201.68
  5. Step 5: Solve for x
    x = 84,063,201.68/8,354.68
  6. Step 6: Final answer
    x = 10,061.81

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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.