Home / 11,671.62-16,106.90-6,366.52

Finding the Fourth Proportional to 11,671.62, 16,106.90 and 6,366.52

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Solution

The fourth proportional to 11,671.62, 16,106.90 and 6,366.52 is: 8,785.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.62 : 16,106.90 = 6,366.52 : x
  2. Step 2: Convert to fraction form
    11,671.62/16,106.90 = 6,366.52/x
  3. Step 3: Cross multiply
    11,671.62x = 16,106.90 × 6,366.52
  4. Step 4: Simplify right side
    11,671.62x = 102,544,900.99
  5. Step 5: Solve for x
    x = 102,544,900.99/11,671.62
  6. Step 6: Final answer
    x = 8,785.83

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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.