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Finding the Fourth Proportional to 8,356.41, 12,524.22 and 7,313.94

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Solution

The fourth proportional to 8,356.41, 12,524.22 and 7,313.94 is: 10,961.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.41 : 12,524.22 = 7,313.94 : x
  2. Step 2: Convert to fraction form
    8,356.41/12,524.22 = 7,313.94/x
  3. Step 3: Cross multiply
    8,356.41x = 12,524.22 × 7,313.94
  4. Step 4: Simplify right side
    8,356.41x = 91,601,393.63
  5. Step 5: Solve for x
    x = 91,601,393.63/8,356.41
  6. Step 6: Final answer
    x = 10,961.81

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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.