Home / 11,859.41-17,791.65-3,540.08

Finding the Fourth Proportional to 11,859.41, 17,791.65 and 3,540.08

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Solution

The fourth proportional to 11,859.41, 17,791.65 and 3,540.08 is: 5,310.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,859.41 : 17,791.65 = 3,540.08 : x
  2. Step 2: Convert to fraction form
    11,859.41/17,791.65 = 3,540.08/x
  3. Step 3: Cross multiply
    11,859.41x = 17,791.65 × 3,540.08
  4. Step 4: Simplify right side
    11,859.41x = 62,983,775.37
  5. Step 5: Solve for x
    x = 62,983,775.37/11,859.41
  6. Step 6: Final answer
    x = 5,310.87

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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.