Home / 11,859.16-17,791.28-3,539.83

Finding the Fourth Proportional to 11,859.16, 17,791.28 and 3,539.83

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Solution

The fourth proportional to 11,859.16, 17,791.28 and 3,539.83 is: 5,310.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,859.16 : 17,791.28 = 3,539.83 : x
  2. Step 2: Convert to fraction form
    11,859.16/17,791.28 = 3,539.83/x
  3. Step 3: Cross multiply
    11,859.16x = 17,791.28 × 3,539.83
  4. Step 4: Simplify right side
    11,859.16x = 62,978,106.68
  5. Step 5: Solve for x
    x = 62,978,106.68/11,859.16
  6. Step 6: Final answer
    x = 5,310.50

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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.