Home / 11,835.91-17,747.64-3,514.78

Finding the Fourth Proportional to 11,835.91, 17,747.64 and 3,514.78

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Solution

The fourth proportional to 11,835.91, 17,747.64 and 3,514.78 is: 5,270.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.91 : 17,747.64 = 3,514.78 : x
  2. Step 2: Convert to fraction form
    11,835.91/17,747.64 = 3,514.78/x
  3. Step 3: Cross multiply
    11,835.91x = 17,747.64 × 3,514.78
  4. Step 4: Simplify right side
    11,835.91x = 62,379,005.75
  5. Step 5: Solve for x
    x = 62,379,005.75/11,835.91
  6. Step 6: Final answer
    x = 5,270.32

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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.