Home / 11,186.14-16,781.04-3,687.46

Finding the Fourth Proportional to 11,186.14, 16,781.04 and 3,687.46

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Solution

The fourth proportional to 11,186.14, 16,781.04 and 3,687.46 is: 5,531.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.14 : 16,781.04 = 3,687.46 : x
  2. Step 2: Convert to fraction form
    11,186.14/16,781.04 = 3,687.46/x
  3. Step 3: Cross multiply
    11,186.14x = 16,781.04 × 3,687.46
  4. Step 4: Simplify right side
    11,186.14x = 61,879,413.76
  5. Step 5: Solve for x
    x = 61,879,413.76/11,186.14
  6. Step 6: Final answer
    x = 5,531.79

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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.