Home / 8,217.75-12,326.63-2,745.75

Finding the Fourth Proportional to 8,217.75, 12,326.63 and 2,745.75

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Solution

The fourth proportional to 8,217.75, 12,326.63 and 2,745.75 is: 4,118.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.75 : 12,326.63 = 2,745.75 : x
  2. Step 2: Convert to fraction form
    8,217.75/12,326.63 = 2,745.75/x
  3. Step 3: Cross multiply
    8,217.75x = 12,326.63 × 2,745.75
  4. Step 4: Simplify right side
    8,217.75x = 33,845,830.59
  5. Step 5: Solve for x
    x = 33,845,830.59/8,217.75
  6. Step 6: Final answer
    x = 4,118.63

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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.