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Finding the Fourth Proportional to 8,314.39, 11,473.98 and 4,959.15

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Solution

The fourth proportional to 8,314.39, 11,473.98 and 4,959.15 is: 6,843.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,314.39 : 11,473.98 = 4,959.15 : x
  2. Step 2: Convert to fraction form
    8,314.39/11,473.98 = 4,959.15/x
  3. Step 3: Cross multiply
    8,314.39x = 11,473.98 × 4,959.15
  4. Step 4: Simplify right side
    8,314.39x = 56,901,187.92
  5. Step 5: Solve for x
    x = 56,901,187.92/8,314.39
  6. Step 6: Final answer
    x = 6,843.70

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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.