Home / 11,252.69-16,843.62-7,722.05

Finding the Fourth Proportional to 11,252.69, 16,843.62 and 7,722.05

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Solution

The fourth proportional to 11,252.69, 16,843.62 and 7,722.05 is: 11,558.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,252.69 : 16,843.62 = 7,722.05 : x
  2. Step 2: Convert to fraction form
    11,252.69/16,843.62 = 7,722.05/x
  3. Step 3: Cross multiply
    11,252.69x = 16,843.62 × 7,722.05
  4. Step 4: Simplify right side
    11,252.69x = 130,067,317.93
  5. Step 5: Solve for x
    x = 130,067,317.93/11,252.69
  6. Step 6: Final answer
    x = 11,558.78

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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.