Home / 11,107.82-16,668.29-4,092.76

Finding the Fourth Proportional to 11,107.82, 16,668.29 and 4,092.76

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Solution

The fourth proportional to 11,107.82, 16,668.29 and 4,092.76 is: 6,141.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,107.82 : 16,668.29 = 4,092.76 : x
  2. Step 2: Convert to fraction form
    11,107.82/16,668.29 = 4,092.76/x
  3. Step 3: Cross multiply
    11,107.82x = 16,668.29 × 4,092.76
  4. Step 4: Simplify right side
    11,107.82x = 68,219,310.58
  5. Step 5: Solve for x
    x = 68,219,310.58/11,107.82
  6. Step 6: Final answer
    x = 6,141.56

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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.