Home / 7,413.45-11,118.38-2,481.81

Finding the Fourth Proportional to 7,413.45, 11,118.38 and 2,481.81

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Solution

The fourth proportional to 7,413.45, 11,118.38 and 2,481.81 is: 3,722.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.45 : 11,118.38 = 2,481.81 : x
  2. Step 2: Convert to fraction form
    7,413.45/11,118.38 = 2,481.81/x
  3. Step 3: Cross multiply
    7,413.45x = 11,118.38 × 2,481.81
  4. Step 4: Simplify right side
    7,413.45x = 27,593,694.26
  5. Step 5: Solve for x
    x = 27,593,694.26/7,413.45
  6. Step 6: Final answer
    x = 3,722.11

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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.