Home / 11,413.47-17,119.26-4,487.97

Finding the Fourth Proportional to 11,413.47, 17,119.26 and 4,487.97

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Solution

The fourth proportional to 11,413.47, 17,119.26 and 4,487.97 is: 6,731.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.47 : 17,119.26 = 4,487.97 : x
  2. Step 2: Convert to fraction form
    11,413.47/17,119.26 = 4,487.97/x
  3. Step 3: Cross multiply
    11,413.47x = 17,119.26 × 4,487.97
  4. Step 4: Simplify right side
    11,413.47x = 76,830,725.30
  5. Step 5: Solve for x
    x = 76,830,725.30/11,413.47
  6. Step 6: Final answer
    x = 6,731.58

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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.