Home / 7,402.68-11,103.94-4,942.28

Finding the Fourth Proportional to 7,402.68, 11,103.94 and 4,942.28

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Solution

The fourth proportional to 7,402.68, 11,103.94 and 4,942.28 is: 7,413.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.68 : 11,103.94 = 4,942.28 : x
  2. Step 2: Convert to fraction form
    7,402.68/11,103.94 = 4,942.28/x
  3. Step 3: Cross multiply
    7,402.68x = 11,103.94 × 4,942.28
  4. Step 4: Simplify right side
    7,402.68x = 54,878,780.58
  5. Step 5: Solve for x
    x = 54,878,780.58/7,402.68
  6. Step 6: Final answer
    x = 7,413.37

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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.