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Finding the Fourth Proportional to 9,246.95, 12,760.15 and 5,213.92

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Solution

The fourth proportional to 9,246.95, 12,760.15 and 5,213.92 is: 7,194.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,246.95 : 12,760.15 = 5,213.92 : x
  2. Step 2: Convert to fraction form
    9,246.95/12,760.15 = 5,213.92/x
  3. Step 3: Cross multiply
    9,246.95x = 12,760.15 × 5,213.92
  4. Step 4: Simplify right side
    9,246.95x = 66,530,388.25
  5. Step 5: Solve for x
    x = 66,530,388.25/9,246.95
  6. Step 6: Final answer
    x = 7,194.85

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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.