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Finding the Fourth Proportional to 9,379.94, 12,940.43 and 6,024.71

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Solution

The fourth proportional to 9,379.94, 12,940.43 and 6,024.71 is: 8,311.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,379.94 : 12,940.43 = 6,024.71 : x
  2. Step 2: Convert to fraction form
    9,379.94/12,940.43 = 6,024.71/x
  3. Step 3: Cross multiply
    9,379.94x = 12,940.43 × 6,024.71
  4. Step 4: Simplify right side
    9,379.94x = 77,962,340.25
  5. Step 5: Solve for x
    x = 77,962,340.25/9,379.94
  6. Step 6: Final answer
    x = 8,311.61

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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.