Home / 8,318.20-11,471.46-6,198.97

Finding the Fourth Proportional to 8,318.20, 11,471.46 and 6,198.97

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Solution

The fourth proportional to 8,318.20, 11,471.46 and 6,198.97 is: 8,548.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.20 : 11,471.46 = 6,198.97 : x
  2. Step 2: Convert to fraction form
    8,318.20/11,471.46 = 6,198.97/x
  3. Step 3: Cross multiply
    8,318.20x = 11,471.46 × 6,198.97
  4. Step 4: Simplify right side
    8,318.20x = 71,111,236.40
  5. Step 5: Solve for x
    x = 71,111,236.40/8,318.20
  6. Step 6: Final answer
    x = 8,548.87

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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.