Home / 8,257.11-12,387.42-2,413.23

Finding the Fourth Proportional to 8,257.11, 12,387.42 and 2,413.23

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Solution

The fourth proportional to 8,257.11, 12,387.42 and 2,413.23 is: 3,620.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.11 : 12,387.42 = 2,413.23 : x
  2. Step 2: Convert to fraction form
    8,257.11/12,387.42 = 2,413.23/x
  3. Step 3: Cross multiply
    8,257.11x = 12,387.42 × 2,413.23
  4. Step 4: Simplify right side
    8,257.11x = 29,893,693.57
  5. Step 5: Solve for x
    x = 29,893,693.57/8,257.11
  6. Step 6: Final answer
    x = 3,620.36

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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.