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Finding the Fourth Proportional to 7,469.23, 11,173.05 and 6,138.01

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Solution

The fourth proportional to 7,469.23, 11,173.05 and 6,138.01 is: 9,181.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.23 : 11,173.05 = 6,138.01 : x
  2. Step 2: Convert to fraction form
    7,469.23/11,173.05 = 6,138.01/x
  3. Step 3: Cross multiply
    7,469.23x = 11,173.05 × 6,138.01
  4. Step 4: Simplify right side
    7,469.23x = 68,580,292.63
  5. Step 5: Solve for x
    x = 68,580,292.63/7,469.23
  6. Step 6: Final answer
    x = 9,181.71

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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.