Home / 11,467.87-17,178.35-6,773.72

Finding the Fourth Proportional to 11,467.87, 17,178.35 and 6,773.72

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Solution

The fourth proportional to 11,467.87, 17,178.35 and 6,773.72 is: 10,146.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,467.87 : 17,178.35 = 6,773.72 : x
  2. Step 2: Convert to fraction form
    11,467.87/17,178.35 = 6,773.72/x
  3. Step 3: Cross multiply
    11,467.87x = 17,178.35 × 6,773.72
  4. Step 4: Simplify right side
    11,467.87x = 116,361,213.20
  5. Step 5: Solve for x
    x = 116,361,213.20/11,467.87
  6. Step 6: Final answer
    x = 10,146.72

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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.