Home / 8,198.36-12,286.20-4,496.12

Finding the Fourth Proportional to 8,198.36, 12,286.20 and 4,496.12

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Solution

The fourth proportional to 8,198.36, 12,286.20 and 4,496.12 is: 6,737.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.36 : 12,286.20 = 4,496.12 : x
  2. Step 2: Convert to fraction form
    8,198.36/12,286.20 = 4,496.12/x
  3. Step 3: Cross multiply
    8,198.36x = 12,286.20 × 4,496.12
  4. Step 4: Simplify right side
    8,198.36x = 55,240,229.54
  5. Step 5: Solve for x
    x = 55,240,229.54/8,198.36
  6. Step 6: Final answer
    x = 6,737.96

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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.