Home / 11,175.32-16,766.10-3,384.20

Finding the Fourth Proportional to 11,175.32, 16,766.10 and 3,384.20

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Solution

The fourth proportional to 11,175.32, 16,766.10 and 3,384.20 is: 5,077.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.32 : 16,766.10 = 3,384.20 : x
  2. Step 2: Convert to fraction form
    11,175.32/16,766.10 = 3,384.20/x
  3. Step 3: Cross multiply
    11,175.32x = 16,766.10 × 3,384.20
  4. Step 4: Simplify right side
    11,175.32x = 56,739,835.62
  5. Step 5: Solve for x
    x = 56,739,835.62/11,175.32
  6. Step 6: Final answer
    x = 5,077.24

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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.