Home / 9,413.20-14,125.56-3,869.20

Finding the Fourth Proportional to 9,413.20, 14,125.56 and 3,869.20

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Solution

The fourth proportional to 9,413.20, 14,125.56 and 3,869.20 is: 5,806.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,413.20 : 14,125.56 = 3,869.20 : x
  2. Step 2: Convert to fraction form
    9,413.20/14,125.56 = 3,869.20/x
  3. Step 3: Cross multiply
    9,413.20x = 14,125.56 × 3,869.20
  4. Step 4: Simplify right side
    9,413.20x = 54,654,616.75
  5. Step 5: Solve for x
    x = 54,654,616.75/9,413.20
  6. Step 6: Final answer
    x = 5,806.17

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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.