Home / 11,972.19-17,958.26-3,207.11

Finding the Fourth Proportional to 11,972.19, 17,958.26 and 3,207.11

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Solution

The fourth proportional to 11,972.19, 17,958.26 and 3,207.11 is: 4,810.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.19 : 17,958.26 = 3,207.11 : x
  2. Step 2: Convert to fraction form
    11,972.19/17,958.26 = 3,207.11/x
  3. Step 3: Cross multiply
    11,972.19x = 17,958.26 × 3,207.11
  4. Step 4: Simplify right side
    11,972.19x = 57,594,115.23
  5. Step 5: Solve for x
    x = 57,594,115.23/11,972.19
  6. Step 6: Final answer
    x = 4,810.66

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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.