Home / 11,671.29-16,106.85-6,366.33

Finding the Fourth Proportional to 11,671.29, 16,106.85 and 6,366.33

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Solution

The fourth proportional to 11,671.29, 16,106.85 and 6,366.33 is: 8,785.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.29 : 16,106.85 = 6,366.33 : x
  2. Step 2: Convert to fraction form
    11,671.29/16,106.85 = 6,366.33/x
  3. Step 3: Cross multiply
    11,671.29x = 16,106.85 × 6,366.33
  4. Step 4: Simplify right side
    11,671.29x = 102,541,522.36
  5. Step 5: Solve for x
    x = 102,541,522.36/11,671.29
  6. Step 6: Final answer
    x = 8,785.79

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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.