Home / 11,080.86-16,631-6,156.06

Finding the Fourth Proportional to 11,080.86, 16,631 and 6,156.06

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Solution

The fourth proportional to 11,080.86, 16,631 and 6,156.06 is: 9,239.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.86 : 16,631 = 6,156.06 : x
  2. Step 2: Convert to fraction form
    11,080.86/16,631 = 6,156.06/x
  3. Step 3: Cross multiply
    11,080.86x = 16,631 × 6,156.06
  4. Step 4: Simplify right side
    11,080.86x = 102,381,433.86
  5. Step 5: Solve for x
    x = 102,381,433.86/11,080.86
  6. Step 6: Final answer
    x = 9,239.48

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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.