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Finding the Fourth Proportional to 8,251.57, 12,362.95 and 6,873.76

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Solution

The fourth proportional to 8,251.57, 12,362.95 and 6,873.76 is: 10,298.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.57 : 12,362.95 = 6,873.76 : x
  2. Step 2: Convert to fraction form
    8,251.57/12,362.95 = 6,873.76/x
  3. Step 3: Cross multiply
    8,251.57x = 12,362.95 × 6,873.76
  4. Step 4: Simplify right side
    8,251.57x = 84,979,951.19
  5. Step 5: Solve for x
    x = 84,979,951.19/8,251.57
  6. Step 6: Final answer
    x = 10,298.64

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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.