Home / 9,190.56-12,668.22-6,205.44

Finding the Fourth Proportional to 9,190.56, 12,668.22 and 6,205.44

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Solution

The fourth proportional to 9,190.56, 12,668.22 and 6,205.44 is: 8,553.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.56 : 12,668.22 = 6,205.44 : x
  2. Step 2: Convert to fraction form
    9,190.56/12,668.22 = 6,205.44/x
  3. Step 3: Cross multiply
    9,190.56x = 12,668.22 × 6,205.44
  4. Step 4: Simplify right side
    9,190.56x = 78,611,879.12
  5. Step 5: Solve for x
    x = 78,611,879.12/9,190.56
  6. Step 6: Final answer
    x = 8,553.55

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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.