Home / 11,449.25-15,800.55-6,413.17

Finding the Fourth Proportional to 11,449.25, 15,800.55 and 6,413.17

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Solution

The fourth proportional to 11,449.25, 15,800.55 and 6,413.17 is: 8,850.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,449.25 : 15,800.55 = 6,413.17 : x
  2. Step 2: Convert to fraction form
    11,449.25/15,800.55 = 6,413.17/x
  3. Step 3: Cross multiply
    11,449.25x = 15,800.55 × 6,413.17
  4. Step 4: Simplify right side
    11,449.25x = 101,331,613.24
  5. Step 5: Solve for x
    x = 101,331,613.24/11,449.25
  6. Step 6: Final answer
    x = 8,850.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.