Home / 11,671.46-16,106.84-6,366.47

Finding the Fourth Proportional to 11,671.46, 16,106.84 and 6,366.47

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Solution

The fourth proportional to 11,671.46, 16,106.84 and 6,366.47 is: 8,785.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.46 : 16,106.84 = 6,366.47 : x
  2. Step 2: Convert to fraction form
    11,671.46/16,106.84 = 6,366.47/x
  3. Step 3: Cross multiply
    11,671.46x = 16,106.84 × 6,366.47
  4. Step 4: Simplify right side
    11,671.46x = 102,543,713.65
  5. Step 5: Solve for x
    x = 102,543,713.65/11,671.46
  6. Step 6: Final answer
    x = 8,785.85

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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.