Home / 7,413.60-11,121.20-2,483.04

Finding the Fourth Proportional to 7,413.60, 11,121.20 and 2,483.04

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Solution

The fourth proportional to 7,413.60, 11,121.20 and 2,483.04 is: 3,724.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.60 : 11,121.20 = 2,483.04 : x
  2. Step 2: Convert to fraction form
    7,413.60/11,121.20 = 2,483.04/x
  3. Step 3: Cross multiply
    7,413.60x = 11,121.20 × 2,483.04
  4. Step 4: Simplify right side
    7,413.60x = 27,614,384.45
  5. Step 5: Solve for x
    x = 27,614,384.45/7,413.60
  6. Step 6: Final answer
    x = 3,724.83

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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.