Home / 11,440.56-15,786.03-6,725.73

Finding the Fourth Proportional to 11,440.56, 15,786.03 and 6,725.73

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Solution

The fourth proportional to 11,440.56, 15,786.03 and 6,725.73 is: 9,280.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,440.56 : 15,786.03 = 6,725.73 : x
  2. Step 2: Convert to fraction form
    11,440.56/15,786.03 = 6,725.73/x
  3. Step 3: Cross multiply
    11,440.56x = 15,786.03 × 6,725.73
  4. Step 4: Simplify right side
    11,440.56x = 106,172,575.55
  5. Step 5: Solve for x
    x = 106,172,575.55/11,440.56
  6. Step 6: Final answer
    x = 9,280.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.