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Finding the Fourth Proportional to 11,334.38, 15,641.46 and 6,366.38

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Solution

The fourth proportional to 11,334.38, 15,641.46 and 6,366.38 is: 8,785.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,334.38 : 15,641.46 = 6,366.38 : x
  2. Step 2: Convert to fraction form
    11,334.38/15,641.46 = 6,366.38/x
  3. Step 3: Cross multiply
    11,334.38x = 15,641.46 × 6,366.38
  4. Step 4: Simplify right side
    11,334.38x = 99,579,399.91
  5. Step 5: Solve for x
    x = 99,579,399.91/11,334.38
  6. Step 6: Final answer
    x = 8,785.61

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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.