Home / 11,116.82-16,691.84-6,982.98

Finding the Fourth Proportional to 11,116.82, 16,691.84 and 6,982.98

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Solution

The fourth proportional to 11,116.82, 16,691.84 and 6,982.98 is: 10,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.82 : 16,691.84 = 6,982.98 : x
  2. Step 2: Convert to fraction form
    11,116.82/16,691.84 = 6,982.98/x
  3. Step 3: Cross multiply
    11,116.82x = 16,691.84 × 6,982.98
  4. Step 4: Simplify right side
    11,116.82x = 116,558,784.88
  5. Step 5: Solve for x
    x = 116,558,784.88/11,116.82
  6. Step 6: Final answer
    x = 10,484.90

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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.