Home / 11,042.73-15,252.64-8,012.99

Finding the Fourth Proportional to 11,042.73, 15,252.64 and 8,012.99

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Solution

The fourth proportional to 11,042.73, 15,252.64 and 8,012.99 is: 11,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,042.73 : 15,252.64 = 8,012.99 : x
  2. Step 2: Convert to fraction form
    11,042.73/15,252.64 = 8,012.99/x
  3. Step 3: Cross multiply
    11,042.73x = 15,252.64 × 8,012.99
  4. Step 4: Simplify right side
    11,042.73x = 122,219,251.79
  5. Step 5: Solve for x
    x = 122,219,251.79/11,042.73
  6. Step 6: Final answer
    x = 11,067.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.