Home / 11,413.37-17,122.77-3,622.19

Finding the Fourth Proportional to 11,413.37, 17,122.77 and 3,622.19

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Solution

The fourth proportional to 11,413.37, 17,122.77 and 3,622.19 is: 5,434.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.37 : 17,122.77 = 3,622.19 : x
  2. Step 2: Convert to fraction form
    11,413.37/17,122.77 = 3,622.19/x
  3. Step 3: Cross multiply
    11,413.37x = 17,122.77 × 3,622.19
  4. Step 4: Simplify right side
    11,413.37x = 62,021,840.65
  5. Step 5: Solve for x
    x = 62,021,840.65/11,413.37
  6. Step 6: Final answer
    x = 5,434.14

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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.