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Finding the Fourth Proportional to 8,367.76, 12,560.72 and 6,293.68

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Solution

The fourth proportional to 8,367.76, 12,560.72 and 6,293.68 is: 9,447.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367.76 : 12,560.72 = 6,293.68 : x
  2. Step 2: Convert to fraction form
    8,367.76/12,560.72 = 6,293.68/x
  3. Step 3: Cross multiply
    8,367.76x = 12,560.72 × 6,293.68
  4. Step 4: Simplify right side
    8,367.76x = 79,053,152.25
  5. Step 5: Solve for x
    x = 79,053,152.25/8,367.76
  6. Step 6: Final answer
    x = 9,447.35

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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.