Home / 11,936.83-17,907.45-3,932.05

Finding the Fourth Proportional to 11,936.83, 17,907.45 and 3,932.05

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Solution

The fourth proportional to 11,936.83, 17,907.45 and 3,932.05 is: 5,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.83 : 17,907.45 = 3,932.05 : x
  2. Step 2: Convert to fraction form
    11,936.83/17,907.45 = 3,932.05/x
  3. Step 3: Cross multiply
    11,936.83x = 17,907.45 × 3,932.05
  4. Step 4: Simplify right side
    11,936.83x = 70,412,929.26
  5. Step 5: Solve for x
    x = 70,412,929.26/11,936.83
  6. Step 6: Final answer
    x = 5,898.80

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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.