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Finding the Fourth Proportional to 8,293.39, 11,440.80 and 6,162.13

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Solution

The fourth proportional to 8,293.39, 11,440.80 and 6,162.13 is: 8,500.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,293.39 : 11,440.80 = 6,162.13 : x
  2. Step 2: Convert to fraction form
    8,293.39/11,440.80 = 6,162.13/x
  3. Step 3: Cross multiply
    8,293.39x = 11,440.80 × 6,162.13
  4. Step 4: Simplify right side
    8,293.39x = 70,499,696.90
  5. Step 5: Solve for x
    x = 70,499,696.90/8,293.39
  6. Step 6: Final answer
    x = 8,500.71

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Half scale
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Double scale
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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.