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Finding the Fourth Proportional to 8,333.91, 11,452.70 and 7,948.44

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Solution

The fourth proportional to 8,333.91, 11,452.70 and 7,948.44 is: 10,922.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.91 : 11,452.70 = 7,948.44 : x
  2. Step 2: Convert to fraction form
    8,333.91/11,452.70 = 7,948.44/x
  3. Step 3: Cross multiply
    8,333.91x = 11,452.70 × 7,948.44
  4. Step 4: Simplify right side
    8,333.91x = 91,031,118.66
  5. Step 5: Solve for x
    x = 91,031,118.66/8,333.91
  6. Step 6: Final answer
    x = 10,922.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.