Home / 11,971.53-17,958.51-3,207.33

Finding the Fourth Proportional to 11,971.53, 17,958.51 and 3,207.33

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Solution

The fourth proportional to 11,971.53, 17,958.51 and 3,207.33 is: 4,811.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971.53 : 17,958.51 = 3,207.33 : x
  2. Step 2: Convert to fraction form
    11,971.53/17,958.51 = 3,207.33/x
  3. Step 3: Cross multiply
    11,971.53x = 17,958.51 × 3,207.33
  4. Step 4: Simplify right side
    11,971.53x = 57,598,867.88
  5. Step 5: Solve for x
    x = 57,598,867.88/11,971.53
  6. Step 6: Final answer
    x = 4,811.32

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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.