Home / 11,186.93-16,780.41-3,395.75

Finding the Fourth Proportional to 11,186.93, 16,780.41 and 3,395.75

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Solution

The fourth proportional to 11,186.93, 16,780.41 and 3,395.75 is: 5,093.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.93 : 16,780.41 = 3,395.75 : x
  2. Step 2: Convert to fraction form
    11,186.93/16,780.41 = 3,395.75/x
  3. Step 3: Cross multiply
    11,186.93x = 16,780.41 × 3,395.75
  4. Step 4: Simplify right side
    11,186.93x = 56,981,993.36
  5. Step 5: Solve for x
    x = 56,981,993.36/11,186.93
  6. Step 6: Final answer
    x = 5,093.62

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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.