Home / 11,413.08-17,121.24-3,622.56

Finding the Fourth Proportional to 11,413.08, 17,121.24 and 3,622.56

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Solution

The fourth proportional to 11,413.08, 17,121.24 and 3,622.56 is: 5,434.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.08 : 17,121.24 = 3,622.56 : x
  2. Step 2: Convert to fraction form
    11,413.08/17,121.24 = 3,622.56/x
  3. Step 3: Cross multiply
    11,413.08x = 17,121.24 × 3,622.56
  4. Step 4: Simplify right side
    11,413.08x = 62,022,719.17
  5. Step 5: Solve for x
    x = 62,022,719.17/11,413.08
  6. Step 6: Final answer
    x = 5,434.35

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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.