Home / 11,556.75-17,335.16-2,791.66

Finding the Fourth Proportional to 11,556.75, 17,335.16 and 2,791.66

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Solution

The fourth proportional to 11,556.75, 17,335.16 and 2,791.66 is: 4,187.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556.75 : 17,335.16 = 2,791.66 : x
  2. Step 2: Convert to fraction form
    11,556.75/17,335.16 = 2,791.66/x
  3. Step 3: Cross multiply
    11,556.75x = 17,335.16 × 2,791.66
  4. Step 4: Simplify right side
    11,556.75x = 48,393,872.77
  5. Step 5: Solve for x
    x = 48,393,872.77/11,556.75
  6. Step 6: Final answer
    x = 4,187.50

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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.