Home / 11,671.74-16,107.39-6,366.85

Finding the Fourth Proportional to 11,671.74, 16,107.39 and 6,366.85

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Solution

The fourth proportional to 11,671.74, 16,107.39 and 6,366.85 is: 8,786.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.74 : 16,107.39 = 6,366.85 : x
  2. Step 2: Convert to fraction form
    11,671.74/16,107.39 = 6,366.85/x
  3. Step 3: Cross multiply
    11,671.74x = 16,107.39 × 6,366.85
  4. Step 4: Simplify right side
    11,671.74x = 102,553,295.75
  5. Step 5: Solve for x
    x = 102,553,295.75/11,671.74
  6. Step 6: Final answer
    x = 8,786.46

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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.