Home / 12,301.92-18,453.96-3,537.72

Finding the Fourth Proportional to 12,301.92, 18,453.96 and 3,537.72

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Solution

The fourth proportional to 12,301.92, 18,453.96 and 3,537.72 is: 5,306.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301.92 : 18,453.96 = 3,537.72 : x
  2. Step 2: Convert to fraction form
    12,301.92/18,453.96 = 3,537.72/x
  3. Step 3: Cross multiply
    12,301.92x = 18,453.96 × 3,537.72
  4. Step 4: Simplify right side
    12,301.92x = 65,284,943.37
  5. Step 5: Solve for x
    x = 65,284,943.37/12,301.92
  6. Step 6: Final answer
    x = 5,306.89

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1.5x scale

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.