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Finding the Fourth Proportional to 8,298.91, 12,447.95 and 3,104.38

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Solution

The fourth proportional to 8,298.91, 12,447.95 and 3,104.38 is: 4,656.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298.91 : 12,447.95 = 3,104.38 : x
  2. Step 2: Convert to fraction form
    8,298.91/12,447.95 = 3,104.38/x
  3. Step 3: Cross multiply
    8,298.91x = 12,447.95 × 3,104.38
  4. Step 4: Simplify right side
    8,298.91x = 38,643,104.78
  5. Step 5: Solve for x
    x = 38,643,104.78/8,298.91
  6. Step 6: Final answer
    x = 4,656.41

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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.