Home / 8,413.07-12,615.18-3,731.05

Finding the Fourth Proportional to 8,413.07, 12,615.18 and 3,731.05

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Solution

The fourth proportional to 8,413.07, 12,615.18 and 3,731.05 is: 5,594.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.07 : 12,615.18 = 3,731.05 : x
  2. Step 2: Convert to fraction form
    8,413.07/12,615.18 = 3,731.05/x
  3. Step 3: Cross multiply
    8,413.07x = 12,615.18 × 3,731.05
  4. Step 4: Simplify right side
    8,413.07x = 47,067,919.67
  5. Step 5: Solve for x
    x = 47,067,919.67/8,413.07
  6. Step 6: Final answer
    x = 5,594.62

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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.