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Finding the Fourth Proportional to 8,766.99, 12,097.89 and 5,230.26

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Solution

The fourth proportional to 8,766.99, 12,097.89 and 5,230.26 is: 7,217.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.99 : 12,097.89 = 5,230.26 : x
  2. Step 2: Convert to fraction form
    8,766.99/12,097.89 = 5,230.26/x
  3. Step 3: Cross multiply
    8,766.99x = 12,097.89 × 5,230.26
  4. Step 4: Simplify right side
    8,766.99x = 63,275,110.15
  5. Step 5: Solve for x
    x = 63,275,110.15/8,766.99
  6. Step 6: Final answer
    x = 7,217.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.