Home / 11,836.62-17,749.45-4,435.78

Finding the Fourth Proportional to 11,836.62, 17,749.45 and 4,435.78

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Solution

The fourth proportional to 11,836.62, 17,749.45 and 4,435.78 is: 6,651.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,836.62 : 17,749.45 = 4,435.78 : x
  2. Step 2: Convert to fraction form
    11,836.62/17,749.45 = 4,435.78/x
  3. Step 3: Cross multiply
    11,836.62x = 17,749.45 × 4,435.78
  4. Step 4: Simplify right side
    11,836.62x = 78,732,655.32
  5. Step 5: Solve for x
    x = 78,732,655.32/11,836.62
  6. Step 6: Final answer
    x = 6,651.62

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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.