Home / 11,660.48-17,488.26-3,763.72

Finding the Fourth Proportional to 11,660.48, 17,488.26 and 3,763.72

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Solution

The fourth proportional to 11,660.48, 17,488.26 and 3,763.72 is: 5,644.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.48 : 17,488.26 = 3,763.72 : x
  2. Step 2: Convert to fraction form
    11,660.48/17,488.26 = 3,763.72/x
  3. Step 3: Cross multiply
    11,660.48x = 17,488.26 × 3,763.72
  4. Step 4: Simplify right side
    11,660.48x = 65,820,913.93
  5. Step 5: Solve for x
    x = 65,820,913.93/11,660.48
  6. Step 6: Final answer
    x = 5,644.79

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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.