Home / 11,958.74-17,938.20-4,167.53

Finding the Fourth Proportional to 11,958.74, 17,938.20 and 4,167.53

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Solution

The fourth proportional to 11,958.74, 17,938.20 and 4,167.53 is: 6,251.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,958.74 : 17,938.20 = 4,167.53 : x
  2. Step 2: Convert to fraction form
    11,958.74/17,938.20 = 4,167.53/x
  3. Step 3: Cross multiply
    11,958.74x = 17,938.20 × 4,167.53
  4. Step 4: Simplify right side
    11,958.74x = 74,757,986.65
  5. Step 5: Solve for x
    x = 74,757,986.65/11,958.74
  6. Step 6: Final answer
    x = 6,251.33

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1.5x scale

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.