Home / 11,711.80-17,563.38-4,314.34

Finding the Fourth Proportional to 11,711.80, 17,563.38 and 4,314.34

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Solution

The fourth proportional to 11,711.80, 17,563.38 and 4,314.34 is: 6,469.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.80 : 17,563.38 = 4,314.34 : x
  2. Step 2: Convert to fraction form
    11,711.80/17,563.38 = 4,314.34/x
  3. Step 3: Cross multiply
    11,711.80x = 17,563.38 × 4,314.34
  4. Step 4: Simplify right side
    11,711.80x = 75,774,392.87
  5. Step 5: Solve for x
    x = 75,774,392.87/11,711.80
  6. Step 6: Final answer
    x = 6,469.92

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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.