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Finding the Fourth Proportional to 8,473.91, 12,713.51 and 3,797.92

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Solution

The fourth proportional to 8,473.91, 12,713.51 and 3,797.92 is: 5,698.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473.91 : 12,713.51 = 3,797.92 : x
  2. Step 2: Convert to fraction form
    8,473.91/12,713.51 = 3,797.92/x
  3. Step 3: Cross multiply
    8,473.91x = 12,713.51 × 3,797.92
  4. Step 4: Simplify right side
    8,473.91x = 48,284,893.90
  5. Step 5: Solve for x
    x = 48,284,893.90/8,473.91
  6. Step 6: Final answer
    x = 5,698.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.