Home / 11,175.45-16,766.21-9,951.36

Finding the Fourth Proportional to 11,175.45, 16,766.21 and 9,951.36

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Solution

The fourth proportional to 11,175.45, 16,766.21 and 9,951.36 is: 14,929.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.45 : 16,766.21 = 9,951.36 : x
  2. Step 2: Convert to fraction form
    11,175.45/16,766.21 = 9,951.36/x
  3. Step 3: Cross multiply
    11,175.45x = 16,766.21 × 9,951.36
  4. Step 4: Simplify right side
    11,175.45x = 166,846,591.55
  5. Step 5: Solve for x
    x = 166,846,591.55/11,175.45
  6. Step 6: Final answer
    x = 14,929.74

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1.5x scale

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.