Home / 9,163.94-12,638.43-6,175.85

Finding the Fourth Proportional to 9,163.94, 12,638.43 and 6,175.85

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Solution

The fourth proportional to 9,163.94, 12,638.43 and 6,175.85 is: 8,517.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.94 : 12,638.43 = 6,175.85 : x
  2. Step 2: Convert to fraction form
    9,163.94/12,638.43 = 6,175.85/x
  3. Step 3: Cross multiply
    9,163.94x = 12,638.43 × 6,175.85
  4. Step 4: Simplify right side
    9,163.94x = 78,052,984.72
  5. Step 5: Solve for x
    x = 78,052,984.72/9,163.94
  6. Step 6: Final answer
    x = 8,517.41

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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.