Home / 11,413.62-17,121.51-4,486.50

Finding the Fourth Proportional to 11,413.62, 17,121.51 and 4,486.50

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Solution

The fourth proportional to 11,413.62, 17,121.51 and 4,486.50 is: 6,730.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.62 : 17,121.51 = 4,486.50 : x
  2. Step 2: Convert to fraction form
    11,413.62/17,121.51 = 4,486.50/x
  3. Step 3: Cross multiply
    11,413.62x = 17,121.51 × 4,486.50
  4. Step 4: Simplify right side
    11,413.62x = 76,815,654.62
  5. Step 5: Solve for x
    x = 76,815,654.62/11,413.62
  6. Step 6: Final answer
    x = 6,730.17

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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.