Home / 11,782.41-17,676.21-3,884.61

Finding the Fourth Proportional to 11,782.41, 17,676.21 and 3,884.61

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Solution

The fourth proportional to 11,782.41, 17,676.21 and 3,884.61 is: 5,827.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,782.41 : 17,676.21 = 3,884.61 : x
  2. Step 2: Convert to fraction form
    11,782.41/17,676.21 = 3,884.61/x
  3. Step 3: Cross multiply
    11,782.41x = 17,676.21 × 3,884.61
  4. Step 4: Simplify right side
    11,782.41x = 68,665,182.13
  5. Step 5: Solve for x
    x = 68,665,182.13/11,782.41
  6. Step 6: Final answer
    x = 5,827.77

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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.