Home / 11,782.46-17,667.02-3,882.86

Finding the Fourth Proportional to 11,782.46, 17,667.02 and 3,882.86

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Solution

The fourth proportional to 11,782.46, 17,667.02 and 3,882.86 is: 5,822.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,782.46 : 17,667.02 = 3,882.86 : x
  2. Step 2: Convert to fraction form
    11,782.46/17,667.02 = 3,882.86/x
  3. Step 3: Cross multiply
    11,782.46x = 17,667.02 × 3,882.86
  4. Step 4: Simplify right side
    11,782.46x = 68,598,545.86
  5. Step 5: Solve for x
    x = 68,598,545.86/11,782.46
  6. Step 6: Final answer
    x = 5,822.09

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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.