Home / 10,413.32-15,615.18-3,839.24

Finding the Fourth Proportional to 10,413.32, 15,615.18 and 3,839.24

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Solution

The fourth proportional to 10,413.32, 15,615.18 and 3,839.24 is: 5,757.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,413.32 : 15,615.18 = 3,839.24 : x
  2. Step 2: Convert to fraction form
    10,413.32/15,615.18 = 3,839.24/x
  3. Step 3: Cross multiply
    10,413.32x = 15,615.18 × 3,839.24
  4. Step 4: Simplify right side
    10,413.32x = 59,950,423.66
  5. Step 5: Solve for x
    x = 59,950,423.66/10,413.32
  6. Step 6: Final answer
    x = 5,757.09

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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.