Home / 12,365.26-18,553.97-5,791.92

Finding the Fourth Proportional to 12,365.26, 18,553.97 and 5,791.92

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Solution

The fourth proportional to 12,365.26, 18,553.97 and 5,791.92 is: 8,690.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365.26 : 18,553.97 = 5,791.92 : x
  2. Step 2: Convert to fraction form
    12,365.26/18,553.97 = 5,791.92/x
  3. Step 3: Cross multiply
    12,365.26x = 18,553.97 × 5,791.92
  4. Step 4: Simplify right side
    12,365.26x = 107,463,109.92
  5. Step 5: Solve for x
    x = 107,463,109.92/12,365.26
  6. Step 6: Final answer
    x = 8,690.73

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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.