Home / 11,764.56-17,645.76-3,972.36

Finding the Fourth Proportional to 11,764.56, 17,645.76 and 3,972.36

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Solution

The fourth proportional to 11,764.56, 17,645.76 and 3,972.36 is: 5,958.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,764.56 : 17,645.76 = 3,972.36 : x
  2. Step 2: Convert to fraction form
    11,764.56/17,645.76 = 3,972.36/x
  3. Step 3: Cross multiply
    11,764.56x = 17,645.76 × 3,972.36
  4. Step 4: Simplify right side
    11,764.56x = 70,095,311.19
  5. Step 5: Solve for x
    x = 70,095,311.19/11,764.56
  6. Step 6: Final answer
    x = 5,958.18

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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.