Home / 7,413.44-11,124.80-3,855.92

Finding the Fourth Proportional to 7,413.44, 11,124.80 and 3,855.92

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Solution

The fourth proportional to 7,413.44, 11,124.80 and 3,855.92 is: 5,786.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.44 : 11,124.80 = 3,855.92 : x
  2. Step 2: Convert to fraction form
    7,413.44/11,124.80 = 3,855.92/x
  3. Step 3: Cross multiply
    7,413.44x = 11,124.80 × 3,855.92
  4. Step 4: Simplify right side
    7,413.44x = 42,896,338.82
  5. Step 5: Solve for x
    x = 42,896,338.82/7,413.44
  6. Step 6: Final answer
    x = 5,786.29

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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.