Home / 8,815.75-13,223.36-2,241.92

Finding the Fourth Proportional to 8,815.75, 13,223.36 and 2,241.92

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Solution

The fourth proportional to 8,815.75, 13,223.36 and 2,241.92 is: 3,362.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.75 : 13,223.36 = 2,241.92 : x
  2. Step 2: Convert to fraction form
    8,815.75/13,223.36 = 2,241.92/x
  3. Step 3: Cross multiply
    8,815.75x = 13,223.36 × 2,241.92
  4. Step 4: Simplify right side
    8,815.75x = 29,645,715.25
  5. Step 5: Solve for x
    x = 29,645,715.25/8,815.75
  6. Step 6: Final answer
    x = 3,362.81

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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.