Home / 8,815.44-13,219.82-3,548.66

Finding the Fourth Proportional to 8,815.44, 13,219.82 and 3,548.66

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Solution

The fourth proportional to 8,815.44, 13,219.82 and 3,548.66 is: 5,321.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.44 : 13,219.82 = 3,548.66 : x
  2. Step 2: Convert to fraction form
    8,815.44/13,219.82 = 3,548.66/x
  3. Step 3: Cross multiply
    8,815.44x = 13,219.82 × 3,548.66
  4. Step 4: Simplify right side
    8,815.44x = 46,912,589.21
  5. Step 5: Solve for x
    x = 46,912,589.21/8,815.44
  6. Step 6: Final answer
    x = 5,321.64

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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.