Home / 11,413.09-17,121.25-3,516.24

Finding the Fourth Proportional to 11,413.09, 17,121.25 and 3,516.24

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Solution

The fourth proportional to 11,413.09, 17,121.25 and 3,516.24 is: 5,274.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.09 : 17,121.25 = 3,516.24 : x
  2. Step 2: Convert to fraction form
    11,413.09/17,121.25 = 3,516.24/x
  3. Step 3: Cross multiply
    11,413.09x = 17,121.25 × 3,516.24
  4. Step 4: Simplify right side
    11,413.09x = 60,202,492.70
  5. Step 5: Solve for x
    x = 60,202,492.70/11,413.09
  6. Step 6: Final answer
    x = 5,274.86

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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.