Home / 7,413.46-11,127.78-4,965.36

Finding the Fourth Proportional to 7,413.46, 11,127.78 and 4,965.36

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Solution

The fourth proportional to 7,413.46, 11,127.78 and 4,965.36 is: 7,453.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.46 : 11,127.78 = 4,965.36 : x
  2. Step 2: Convert to fraction form
    7,413.46/11,127.78 = 4,965.36/x
  3. Step 3: Cross multiply
    7,413.46x = 11,127.78 × 4,965.36
  4. Step 4: Simplify right side
    7,413.46x = 55,253,433.70
  5. Step 5: Solve for x
    x = 55,253,433.70/7,413.46
  6. Step 6: Final answer
    x = 7,453.12

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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.