Home / 10,413.92-15,616.78-3,392.22

Finding the Fourth Proportional to 10,413.92, 15,616.78 and 3,392.22

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Solution

The fourth proportional to 10,413.92, 15,616.78 and 3,392.22 is: 5,086.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,413.92 : 15,616.78 = 3,392.22 : x
  2. Step 2: Convert to fraction form
    10,413.92/15,616.78 = 3,392.22/x
  3. Step 3: Cross multiply
    10,413.92x = 15,616.78 × 3,392.22
  4. Step 4: Simplify right side
    10,413.92x = 52,975,553.45
  5. Step 5: Solve for x
    x = 52,975,553.45/10,413.92
  6. Step 6: Final answer
    x = 5,086.99

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1.5x scale

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.