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Finding the Fourth Proportional to 8,356.96, 12,524.32 and 6,972.99

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Solution

The fourth proportional to 8,356.96, 12,524.32 and 6,972.99 is: 10,450.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.96 : 12,524.32 = 6,972.99 : x
  2. Step 2: Convert to fraction form
    8,356.96/12,524.32 = 6,972.99/x
  3. Step 3: Cross multiply
    8,356.96x = 12,524.32 × 6,972.99
  4. Step 4: Simplify right side
    8,356.96x = 87,331,958.12
  5. Step 5: Solve for x
    x = 87,331,958.12/8,356.96
  6. Step 6: Final answer
    x = 10,450.21

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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.