Home / 11,067.96-15,260.49-9,043.90

Finding the Fourth Proportional to 11,067.96, 15,260.49 and 9,043.90

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Solution

The fourth proportional to 11,067.96, 15,260.49 and 9,043.90 is: 12,469.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,067.96 : 15,260.49 = 9,043.90 : x
  2. Step 2: Convert to fraction form
    11,067.96/15,260.49 = 9,043.90/x
  3. Step 3: Cross multiply
    11,067.96x = 15,260.49 × 9,043.90
  4. Step 4: Simplify right side
    11,067.96x = 138,014,307.36
  5. Step 5: Solve for x
    x = 138,014,307.36/11,067.96
  6. Step 6: Final answer
    x = 12,469.71

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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.