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Finding the Fourth Proportional to 11,894.94, 16,414.79 and 6,589.71

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Solution

The fourth proportional to 11,894.94, 16,414.79 and 6,589.71 is: 9,093.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,894.94 : 16,414.79 = 6,589.71 : x
  2. Step 2: Convert to fraction form
    11,894.94/16,414.79 = 6,589.71/x
  3. Step 3: Cross multiply
    11,894.94x = 16,414.79 × 6,589.71
  4. Step 4: Simplify right side
    11,894.94x = 108,168,672.86
  5. Step 5: Solve for x
    x = 108,168,672.86/11,894.94
  6. Step 6: Final answer
    x = 9,093.67

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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.