Home / 9,191.15-13,791.29-3,644.37

Finding the Fourth Proportional to 9,191.15, 13,791.29 and 3,644.37

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Solution

The fourth proportional to 9,191.15, 13,791.29 and 3,644.37 is: 5,468.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.15 : 13,791.29 = 3,644.37 : x
  2. Step 2: Convert to fraction form
    9,191.15/13,791.29 = 3,644.37/x
  3. Step 3: Cross multiply
    9,191.15x = 13,791.29 × 3,644.37
  4. Step 4: Simplify right side
    9,191.15x = 50,260,545.32
  5. Step 5: Solve for x
    x = 50,260,545.32/9,191.15
  6. Step 6: Final answer
    x = 5,468.37

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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.