Home / 8,231.19-11,359.06-4,454.37

Finding the Fourth Proportional to 8,231.19, 11,359.06 and 4,454.37

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Solution

The fourth proportional to 8,231.19, 11,359.06 and 4,454.37 is: 6,147.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.19 : 11,359.06 = 4,454.37 : x
  2. Step 2: Convert to fraction form
    8,231.19/11,359.06 = 4,454.37/x
  3. Step 3: Cross multiply
    8,231.19x = 11,359.06 × 4,454.37
  4. Step 4: Simplify right side
    8,231.19x = 50,597,425.54
  5. Step 5: Solve for x
    x = 50,597,425.54/8,231.19
  6. Step 6: Final answer
    x = 6,147.03

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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.