Home / 11,964.23-17,942.69-4,171.22

Finding the Fourth Proportional to 11,964.23, 17,942.69 and 4,171.22

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Solution

The fourth proportional to 11,964.23, 17,942.69 and 4,171.22 is: 6,255.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.23 : 17,942.69 = 4,171.22 : x
  2. Step 2: Convert to fraction form
    11,964.23/17,942.69 = 4,171.22/x
  3. Step 3: Cross multiply
    11,964.23x = 17,942.69 × 4,171.22
  4. Step 4: Simplify right side
    11,964.23x = 74,842,895.38
  5. Step 5: Solve for x
    x = 74,842,895.38/11,964.23
  6. Step 6: Final answer
    x = 6,255.56

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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.