Home / 11,932.68-17,779.11-11,262

Finding the Fourth Proportional to 11,932.68, 17,779.11 and 11,262

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Solution

The fourth proportional to 11,932.68, 17,779.11 and 11,262 is: 16,779.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.68 : 17,779.11 = 11,262 : x
  2. Step 2: Convert to fraction form
    11,932.68/17,779.11 = 11,262/x
  3. Step 3: Cross multiply
    11,932.68x = 17,779.11 × 11,262
  4. Step 4: Simplify right side
    11,932.68x = 200,228,336.82
  5. Step 5: Solve for x
    x = 200,228,336.82/11,932.68
  6. Step 6: Final answer
    x = 16,779.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.