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Finding the Fourth Proportional to 8,363.36, 11,531.36 and 7,226.98

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Solution

The fourth proportional to 8,363.36, 11,531.36 and 7,226.98 is: 9,964.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.36 : 11,531.36 = 7,226.98 : x
  2. Step 2: Convert to fraction form
    8,363.36/11,531.36 = 7,226.98/x
  3. Step 3: Cross multiply
    8,363.36x = 11,531.36 × 7,226.98
  4. Step 4: Simplify right side
    8,363.36x = 83,336,897.33
  5. Step 5: Solve for x
    x = 83,336,897.33/8,363.36
  6. Step 6: Final answer
    x = 9,964.52

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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.