Home / 11,380.42-17,078.37-6,984.46

Finding the Fourth Proportional to 11,380.42, 17,078.37 and 6,984.46

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Solution

The fourth proportional to 11,380.42, 17,078.37 and 6,984.46 is: 10,481.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.42 : 17,078.37 = 6,984.46 : x
  2. Step 2: Convert to fraction form
    11,380.42/17,078.37 = 6,984.46/x
  3. Step 3: Cross multiply
    11,380.42x = 17,078.37 × 6,984.46
  4. Step 4: Simplify right side
    11,380.42x = 119,283,192.13
  5. Step 5: Solve for x
    x = 119,283,192.13/11,380.42
  6. Step 6: Final answer
    x = 10,481.44

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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.