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Finding the Fourth Proportional to 8,333.36, 12,514.38 and 7,398.41

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Solution

The fourth proportional to 8,333.36, 12,514.38 and 7,398.41 is: 11,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.36 : 12,514.38 = 7,398.41 : x
  2. Step 2: Convert to fraction form
    8,333.36/12,514.38 = 7,398.41/x
  3. Step 3: Cross multiply
    8,333.36x = 12,514.38 × 7,398.41
  4. Step 4: Simplify right side
    8,333.36x = 92,586,451.56
  5. Step 5: Solve for x
    x = 92,586,451.56/8,333.36
  6. Step 6: Final answer
    x = 11,110.35

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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.