Home / 7,413.36-11,119.20-2,218

Finding the Fourth Proportional to 7,413.36, 11,119.20 and 2,218

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Solution

The fourth proportional to 7,413.36, 11,119.20 and 2,218 is: 3,326.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.36 : 11,119.20 = 2,218 : x
  2. Step 2: Convert to fraction form
    7,413.36/11,119.20 = 2,218/x
  3. Step 3: Cross multiply
    7,413.36x = 11,119.20 × 2,218
  4. Step 4: Simplify right side
    7,413.36x = 24,662,385.60
  5. Step 5: Solve for x
    x = 24,662,385.60/7,413.36
  6. Step 6: Final answer
    x = 3,326.75

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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.