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Finding the Fourth Proportional to 8,367.76, 12,531.85 and 7,266.14

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Solution

The fourth proportional to 8,367.76, 12,531.85 and 7,266.14 is: 10,882.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367.76 : 12,531.85 = 7,266.14 : x
  2. Step 2: Convert to fraction form
    8,367.76/12,531.85 = 7,266.14/x
  3. Step 3: Cross multiply
    8,367.76x = 12,531.85 × 7,266.14
  4. Step 4: Simplify right side
    8,367.76x = 91,058,176.56
  5. Step 5: Solve for x
    x = 91,058,176.56/8,367.76
  6. Step 6: Final answer
    x = 10,882.03

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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.