Home / 11,181.72-16,773.30-6,555

Finding the Fourth Proportional to 11,181.72, 16,773.30 and 6,555

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Solution

The fourth proportional to 11,181.72, 16,773.30 and 6,555 is: 9,832.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.72 : 16,773.30 = 6,555 : x
  2. Step 2: Convert to fraction form
    11,181.72/16,773.30 = 6,555/x
  3. Step 3: Cross multiply
    11,181.72x = 16,773.30 × 6,555
  4. Step 4: Simplify right side
    11,181.72x = 109,948,981.50
  5. Step 5: Solve for x
    x = 109,948,981.50/11,181.72
  6. Step 6: Final answer
    x = 9,832.92

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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.