Home / 10,926.62-16,388.31-3,999.50

Finding the Fourth Proportional to 10,926.62, 16,388.31 and 3,999.50

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Solution

The fourth proportional to 10,926.62, 16,388.31 and 3,999.50 is: 5,998.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926.62 : 16,388.31 = 3,999.50 : x
  2. Step 2: Convert to fraction form
    10,926.62/16,388.31 = 3,999.50/x
  3. Step 3: Cross multiply
    10,926.62x = 16,388.31 × 3,999.50
  4. Step 4: Simplify right side
    10,926.62x = 65,545,045.85
  5. Step 5: Solve for x
    x = 65,545,045.85/10,926.62
  6. Step 6: Final answer
    x = 5,998.66

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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.