Home / 8,173.44-12,257.56-3,493.36

Finding the Fourth Proportional to 8,173.44, 12,257.56 and 3,493.36

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Solution

The fourth proportional to 8,173.44, 12,257.56 and 3,493.36 is: 5,238.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.44 : 12,257.56 = 3,493.36 : x
  2. Step 2: Convert to fraction form
    8,173.44/12,257.56 = 3,493.36/x
  3. Step 3: Cross multiply
    8,173.44x = 12,257.56 × 3,493.36
  4. Step 4: Simplify right side
    8,173.44x = 42,820,069.80
  5. Step 5: Solve for x
    x = 42,820,069.80/8,173.44
  6. Step 6: Final answer
    x = 5,238.93

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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.