Home / 11,782.91-17,676.96-3,885.11

Finding the Fourth Proportional to 11,782.91, 17,676.96 and 3,885.11

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Solution

The fourth proportional to 11,782.91, 17,676.96 and 3,885.11 is: 5,828.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,782.91 : 17,676.96 = 3,885.11 : x
  2. Step 2: Convert to fraction form
    11,782.91/17,676.96 = 3,885.11/x
  3. Step 3: Cross multiply
    11,782.91x = 17,676.96 × 3,885.11
  4. Step 4: Simplify right side
    11,782.91x = 68,676,934.07
  5. Step 5: Solve for x
    x = 68,676,934.07/11,782.91
  6. Step 6: Final answer
    x = 5,828.52

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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.