Home / 11,815.58-17,723.79-4,023.38

Finding the Fourth Proportional to 11,815.58, 17,723.79 and 4,023.38

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Solution

The fourth proportional to 11,815.58, 17,723.79 and 4,023.38 is: 6,035.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,815.58 : 17,723.79 = 4,023.38 : x
  2. Step 2: Convert to fraction form
    11,815.58/17,723.79 = 4,023.38/x
  3. Step 3: Cross multiply
    11,815.58x = 17,723.79 × 4,023.38
  4. Step 4: Simplify right side
    11,815.58x = 71,309,542.21
  5. Step 5: Solve for x
    x = 71,309,542.21/11,815.58
  6. Step 6: Final answer
    x = 6,035.21

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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.