Home / 11,942.81-17,914.26-3,622.90

Finding the Fourth Proportional to 11,942.81, 17,914.26 and 3,622.90

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Solution

The fourth proportional to 11,942.81, 17,914.26 and 3,622.90 is: 5,434.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.81 : 17,914.26 = 3,622.90 : x
  2. Step 2: Convert to fraction form
    11,942.81/17,914.26 = 3,622.90/x
  3. Step 3: Cross multiply
    11,942.81x = 17,914.26 × 3,622.90
  4. Step 4: Simplify right side
    11,942.81x = 64,901,514.18
  5. Step 5: Solve for x
    x = 64,901,514.18/11,942.81
  6. Step 6: Final answer
    x = 5,434.36

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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.