Home / 11,222.97-16,828.95-6,413.85

Finding the Fourth Proportional to 11,222.97, 16,828.95 and 6,413.85

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Solution

The fourth proportional to 11,222.97, 16,828.95 and 6,413.85 is: 9,617.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.97 : 16,828.95 = 6,413.85 : x
  2. Step 2: Convert to fraction form
    11,222.97/16,828.95 = 6,413.85/x
  3. Step 3: Cross multiply
    11,222.97x = 16,828.95 × 6,413.85
  4. Step 4: Simplify right side
    11,222.97x = 107,938,348.93
  5. Step 5: Solve for x
    x = 107,938,348.93/11,222.97
  6. Step 6: Final answer
    x = 9,617.63

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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.