Home / 11,517.15-17,275.72-3,197.17

Finding the Fourth Proportional to 11,517.15, 17,275.72 and 3,197.17

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Solution

The fourth proportional to 11,517.15, 17,275.72 and 3,197.17 is: 4,795.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,517.15 : 17,275.72 = 3,197.17 : x
  2. Step 2: Convert to fraction form
    11,517.15/17,275.72 = 3,197.17/x
  3. Step 3: Cross multiply
    11,517.15x = 17,275.72 × 3,197.17
  4. Step 4: Simplify right side
    11,517.15x = 55,233,413.71
  5. Step 5: Solve for x
    x = 55,233,413.71/11,517.15
  6. Step 6: Final answer
    x = 4,795.75

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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.