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Finding the Fourth Proportional to 9,350.88, 12,959.94 and 9,175.92

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Solution

The fourth proportional to 9,350.88, 12,959.94 and 9,175.92 is: 12,717.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,350.88 : 12,959.94 = 9,175.92 : x
  2. Step 2: Convert to fraction form
    9,350.88/12,959.94 = 9,175.92/x
  3. Step 3: Cross multiply
    9,350.88x = 12,959.94 × 9,175.92
  4. Step 4: Simplify right side
    9,350.88x = 118,919,372.64
  5. Step 5: Solve for x
    x = 118,919,372.64/9,350.88
  6. Step 6: Final answer
    x = 12,717.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.