Home / 11,748.81-17,625.71-3,850.75

Finding the Fourth Proportional to 11,748.81, 17,625.71 and 3,850.75

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Solution

The fourth proportional to 11,748.81, 17,625.71 and 3,850.75 is: 5,776.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.81 : 17,625.71 = 3,850.75 : x
  2. Step 2: Convert to fraction form
    11,748.81/17,625.71 = 3,850.75/x
  3. Step 3: Cross multiply
    11,748.81x = 17,625.71 × 3,850.75
  4. Step 4: Simplify right side
    11,748.81x = 67,872,202.78
  5. Step 5: Solve for x
    x = 67,872,202.78/11,748.81
  6. Step 6: Final answer
    x = 5,776.94

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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.