Home / 7,413.52-11,124.67-2,736.79

Finding the Fourth Proportional to 7,413.52, 11,124.67 and 2,736.79

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Solution

The fourth proportional to 7,413.52, 11,124.67 and 2,736.79 is: 4,106.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.52 : 11,124.67 = 2,736.79 : x
  2. Step 2: Convert to fraction form
    7,413.52/11,124.67 = 2,736.79/x
  3. Step 3: Cross multiply
    7,413.52x = 11,124.67 × 2,736.79
  4. Step 4: Simplify right side
    7,413.52x = 30,445,816.30
  5. Step 5: Solve for x
    x = 30,445,816.30/7,413.52
  6. Step 6: Final answer
    x = 4,106.80

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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.