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Finding the Fourth Proportional to 8,249.71, 11,393.18 and 6,341.35

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Solution

The fourth proportional to 8,249.71, 11,393.18 and 6,341.35 is: 8,757.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.71 : 11,393.18 = 6,341.35 : x
  2. Step 2: Convert to fraction form
    8,249.71/11,393.18 = 6,341.35/x
  3. Step 3: Cross multiply
    8,249.71x = 11,393.18 × 6,341.35
  4. Step 4: Simplify right side
    8,249.71x = 72,248,141.99
  5. Step 5: Solve for x
    x = 72,248,141.99/8,249.71
  6. Step 6: Final answer
    x = 8,757.66

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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.