Home / 11,481.27-17,222.33-3,161.93

Finding the Fourth Proportional to 11,481.27, 17,222.33 and 3,161.93

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Solution

The fourth proportional to 11,481.27, 17,222.33 and 3,161.93 is: 4,743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.27 : 17,222.33 = 3,161.93 : x
  2. Step 2: Convert to fraction form
    11,481.27/17,222.33 = 3,161.93/x
  3. Step 3: Cross multiply
    11,481.27x = 17,222.33 × 3,161.93
  4. Step 4: Simplify right side
    11,481.27x = 54,455,801.90
  5. Step 5: Solve for x
    x = 54,455,801.90/11,481.27
  6. Step 6: Final answer
    x = 4,743.01

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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.