Home / 12,357.31-18,537.72-4,034.71

Finding the Fourth Proportional to 12,357.31, 18,537.72 and 4,034.71

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Solution

The fourth proportional to 12,357.31, 18,537.72 and 4,034.71 is: 6,052.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357.31 : 18,537.72 = 4,034.71 : x
  2. Step 2: Convert to fraction form
    12,357.31/18,537.72 = 4,034.71/x
  3. Step 3: Cross multiply
    12,357.31x = 18,537.72 × 4,034.71
  4. Step 4: Simplify right side
    12,357.31x = 74,794,324.26
  5. Step 5: Solve for x
    x = 74,794,324.26/12,357.31
  6. Step 6: Final answer
    x = 6,052.64

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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.