Home / 9,198.29-13,791.30-3,650.15

Finding the Fourth Proportional to 9,198.29, 13,791.30 and 3,650.15

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Solution

The fourth proportional to 9,198.29, 13,791.30 and 3,650.15 is: 5,472.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,198.29 : 13,791.30 = 3,650.15 : x
  2. Step 2: Convert to fraction form
    9,198.29/13,791.30 = 3,650.15/x
  3. Step 3: Cross multiply
    9,198.29x = 13,791.30 × 3,650.15
  4. Step 4: Simplify right side
    9,198.29x = 50,340,334.49
  5. Step 5: Solve for x
    x = 50,340,334.49/9,198.29
  6. Step 6: Final answer
    x = 5,472.79

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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.