Home / 11,227.44-16,841.16-5,385.72

Finding the Fourth Proportional to 11,227.44, 16,841.16 and 5,385.72

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Solution

The fourth proportional to 11,227.44, 16,841.16 and 5,385.72 is: 8,078.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.44 : 16,841.16 = 5,385.72 : x
  2. Step 2: Convert to fraction form
    11,227.44/16,841.16 = 5,385.72/x
  3. Step 3: Cross multiply
    11,227.44x = 16,841.16 × 5,385.72
  4. Step 4: Simplify right side
    11,227.44x = 90,701,772.24
  5. Step 5: Solve for x
    x = 90,701,772.24/11,227.44
  6. Step 6: Final answer
    x = 8,078.58

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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.