Home / 11,089.44-16,611.84-5,251.68

Finding the Fourth Proportional to 11,089.44, 16,611.84 and 5,251.68

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Solution

The fourth proportional to 11,089.44, 16,611.84 and 5,251.68 is: 7,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.44 : 16,611.84 = 5,251.68 : x
  2. Step 2: Convert to fraction form
    11,089.44/16,611.84 = 5,251.68/x
  3. Step 3: Cross multiply
    11,089.44x = 16,611.84 × 5,251.68
  4. Step 4: Simplify right side
    11,089.44x = 87,240,067.89
  5. Step 5: Solve for x
    x = 87,240,067.89/11,089.44
  6. Step 6: Final answer
    x = 7,866.95

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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.