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Finding the Fourth Proportional to 8,494.28, 11,727.82 and 6,501.28

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Solution

The fourth proportional to 8,494.28, 11,727.82 and 6,501.28 is: 8,976.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,494.28 : 11,727.82 = 6,501.28 : x
  2. Step 2: Convert to fraction form
    8,494.28/11,727.82 = 6,501.28/x
  3. Step 3: Cross multiply
    8,494.28x = 11,727.82 × 6,501.28
  4. Step 4: Simplify right side
    8,494.28x = 76,245,841.61
  5. Step 5: Solve for x
    x = 76,245,841.61/8,494.28
  6. Step 6: Final answer
    x = 8,976.14

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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.