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Finding the Fourth Proportional to 8,367.98, 11,547.63 and 4,591.15

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Solution

The fourth proportional to 8,367.98, 11,547.63 and 4,591.15 is: 6,335.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367.98 : 11,547.63 = 4,591.15 : x
  2. Step 2: Convert to fraction form
    8,367.98/11,547.63 = 4,591.15/x
  3. Step 3: Cross multiply
    8,367.98x = 11,547.63 × 4,591.15
  4. Step 4: Simplify right side
    8,367.98x = 53,016,872.61
  5. Step 5: Solve for x
    x = 53,016,872.61/8,367.98
  6. Step 6: Final answer
    x = 6,335.69

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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.