Home / 11,294.82-16,936.74-3,899.70

Finding the Fourth Proportional to 11,294.82, 16,936.74 and 3,899.70

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Solution

The fourth proportional to 11,294.82, 16,936.74 and 3,899.70 is: 5,847.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,294.82 : 16,936.74 = 3,899.70 : x
  2. Step 2: Convert to fraction form
    11,294.82/16,936.74 = 3,899.70/x
  3. Step 3: Cross multiply
    11,294.82x = 16,936.74 × 3,899.70
  4. Step 4: Simplify right side
    11,294.82x = 66,048,204.98
  5. Step 5: Solve for x
    x = 66,048,204.98/11,294.82
  6. Step 6: Final answer
    x = 5,847.65

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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.