Home / 11,964.38-17,954.78-4,173.19

Finding the Fourth Proportional to 11,964.38, 17,954.78 and 4,173.19

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Solution

The fourth proportional to 11,964.38, 17,954.78 and 4,173.19 is: 6,262.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.38 : 17,954.78 = 4,173.19 : x
  2. Step 2: Convert to fraction form
    11,964.38/17,954.78 = 4,173.19/x
  3. Step 3: Cross multiply
    11,964.38x = 17,954.78 × 4,173.19
  4. Step 4: Simplify right side
    11,964.38x = 74,928,733.40
  5. Step 5: Solve for x
    x = 74,928,733.40/11,964.38
  6. Step 6: Final answer
    x = 6,262.65

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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.