Home / 12,072.64-16,660.24-6,767.44

Finding the Fourth Proportional to 12,072.64, 16,660.24 and 6,767.44

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Solution

The fourth proportional to 12,072.64, 16,660.24 and 6,767.44 is: 9,339.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072.64 : 16,660.24 = 6,767.44 : x
  2. Step 2: Convert to fraction form
    12,072.64/16,660.24 = 6,767.44/x
  3. Step 3: Cross multiply
    12,072.64x = 16,660.24 × 6,767.44
  4. Step 4: Simplify right side
    12,072.64x = 112,747,174.59
  5. Step 5: Solve for x
    x = 112,747,174.59/12,072.64
  6. Step 6: Final answer
    x = 9,339.07

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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.