Home / 9,979.38-14,974.53-3,743.58

Finding the Fourth Proportional to 9,979.38, 14,974.53 and 3,743.58

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Solution

The fourth proportional to 9,979.38, 14,974.53 and 3,743.58 is: 5,617.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979.38 : 14,974.53 = 3,743.58 : x
  2. Step 2: Convert to fraction form
    9,979.38/14,974.53 = 3,743.58/x
  3. Step 3: Cross multiply
    9,979.38x = 14,974.53 × 3,743.58
  4. Step 4: Simplify right side
    9,979.38x = 56,058,351.02
  5. Step 5: Solve for x
    x = 56,058,351.02/9,979.38
  6. Step 6: Final answer
    x = 5,617.42

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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.