Home / 7,413.62-11,113.29-2,731.07

Finding the Fourth Proportional to 7,413.62, 11,113.29 and 2,731.07

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Solution

The fourth proportional to 7,413.62, 11,113.29 and 2,731.07 is: 4,093.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.62 : 11,113.29 = 2,731.07 : x
  2. Step 2: Convert to fraction form
    7,413.62/11,113.29 = 2,731.07/x
  3. Step 3: Cross multiply
    7,413.62x = 11,113.29 × 2,731.07
  4. Step 4: Simplify right side
    7,413.62x = 30,351,181.23
  5. Step 5: Solve for x
    x = 30,351,181.23/7,413.62
  6. Step 6: Final answer
    x = 4,093.97

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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.