Home / 9,198.20-13,789.56-4,000.16

Finding the Fourth Proportional to 9,198.20, 13,789.56 and 4,000.16

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Solution

The fourth proportional to 9,198.20, 13,789.56 and 4,000.16 is: 5,996.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,198.20 : 13,789.56 = 4,000.16 : x
  2. Step 2: Convert to fraction form
    9,198.20/13,789.56 = 4,000.16/x
  3. Step 3: Cross multiply
    9,198.20x = 13,789.56 × 4,000.16
  4. Step 4: Simplify right side
    9,198.20x = 55,160,446.33
  5. Step 5: Solve for x
    x = 55,160,446.33/9,198.20
  6. Step 6: Final answer
    x = 5,996.87

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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.