Home / 11,671.69-16,107.12-6,366.51

Finding the Fourth Proportional to 11,671.69, 16,107.12 and 6,366.51

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Solution

The fourth proportional to 11,671.69, 16,107.12 and 6,366.51 is: 8,785.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.69 : 16,107.12 = 6,366.51 : x
  2. Step 2: Convert to fraction form
    11,671.69/16,107.12 = 6,366.51/x
  3. Step 3: Cross multiply
    11,671.69x = 16,107.12 × 6,366.51
  4. Step 4: Simplify right side
    11,671.69x = 102,546,060.02
  5. Step 5: Solve for x
    x = 102,546,060.02/11,671.69
  6. Step 6: Final answer
    x = 8,785.88

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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.