Home / 11,319.62-16,975.11-6,122.66

Finding the Fourth Proportional to 11,319.62, 16,975.11 and 6,122.66

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Solution

The fourth proportional to 11,319.62, 16,975.11 and 6,122.66 is: 9,181.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.62 : 16,975.11 = 6,122.66 : x
  2. Step 2: Convert to fraction form
    11,319.62/16,975.11 = 6,122.66/x
  3. Step 3: Cross multiply
    11,319.62x = 16,975.11 × 6,122.66
  4. Step 4: Simplify right side
    11,319.62x = 103,932,826.99
  5. Step 5: Solve for x
    x = 103,932,826.99/11,319.62
  6. Step 6: Final answer
    x = 9,181.65

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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.