Home / 11,926.44-17,890.62-4,135.08

Finding the Fourth Proportional to 11,926.44, 17,890.62 and 4,135.08

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Solution

The fourth proportional to 11,926.44, 17,890.62 and 4,135.08 is: 6,202.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.44 : 17,890.62 = 4,135.08 : x
  2. Step 2: Convert to fraction form
    11,926.44/17,890.62 = 4,135.08/x
  3. Step 3: Cross multiply
    11,926.44x = 17,890.62 × 4,135.08
  4. Step 4: Simplify right side
    11,926.44x = 73,979,144.95
  5. Step 5: Solve for x
    x = 73,979,144.95/11,926.44
  6. Step 6: Final answer
    x = 6,202.95

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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.