Home / 7,413.32-11,121.33-3,517.70

Finding the Fourth Proportional to 7,413.32, 11,121.33 and 3,517.70

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Solution

The fourth proportional to 7,413.32, 11,121.33 and 3,517.70 is: 5,277.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.32 : 11,121.33 = 3,517.70 : x
  2. Step 2: Convert to fraction form
    7,413.32/11,121.33 = 3,517.70/x
  3. Step 3: Cross multiply
    7,413.32x = 11,121.33 × 3,517.70
  4. Step 4: Simplify right side
    7,413.32x = 39,121,446.93
  5. Step 5: Solve for x
    x = 39,121,446.93/7,413.32
  6. Step 6: Final answer
    x = 5,277.19

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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.