Home / 9,174.41-12,660.44-5,195.90

Finding the Fourth Proportional to 9,174.41, 12,660.44 and 5,195.90

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Solution

The fourth proportional to 9,174.41, 12,660.44 and 5,195.90 is: 7,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174.41 : 12,660.44 = 5,195.90 : x
  2. Step 2: Convert to fraction form
    9,174.41/12,660.44 = 5,195.90/x
  3. Step 3: Cross multiply
    9,174.41x = 12,660.44 × 5,195.90
  4. Step 4: Simplify right side
    9,174.41x = 65,782,290.91
  5. Step 5: Solve for x
    x = 65,782,290.91/9,174.41
  6. Step 6: Final answer
    x = 7,170.20

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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.