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Finding the Fourth Proportional to 9,367.26, 12,921.03 and 7,850.94

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Solution

The fourth proportional to 9,367.26, 12,921.03 and 7,850.94 is: 10,829.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,367.26 : 12,921.03 = 7,850.94 : x
  2. Step 2: Convert to fraction form
    9,367.26/12,921.03 = 7,850.94/x
  3. Step 3: Cross multiply
    9,367.26x = 12,921.03 × 7,850.94
  4. Step 4: Simplify right side
    9,367.26x = 101,442,231.27
  5. Step 5: Solve for x
    x = 101,442,231.27/9,367.26
  6. Step 6: Final answer
    x = 10,829.45

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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.