Home / 12,795.28-19,198.48-4,481.26

Finding the Fourth Proportional to 12,795.28, 19,198.48 and 4,481.26

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Solution

The fourth proportional to 12,795.28, 19,198.48 and 4,481.26 is: 6,723.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.28 : 19,198.48 = 4,481.26 : x
  2. Step 2: Convert to fraction form
    12,795.28/19,198.48 = 4,481.26/x
  3. Step 3: Cross multiply
    12,795.28x = 19,198.48 × 4,481.26
  4. Step 4: Simplify right side
    12,795.28x = 86,033,380.48
  5. Step 5: Solve for x
    x = 86,033,380.48/12,795.28
  6. Step 6: Final answer
    x = 6,723.84

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1.5x scale

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.