Home / 12,272.49-16,936.25-6,966.72

Finding the Fourth Proportional to 12,272.49, 16,936.25 and 6,966.72

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Solution

The fourth proportional to 12,272.49, 16,936.25 and 6,966.72 is: 9,614.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272.49 : 16,936.25 = 6,966.72 : x
  2. Step 2: Convert to fraction form
    12,272.49/16,936.25 = 6,966.72/x
  3. Step 3: Cross multiply
    12,272.49x = 16,936.25 × 6,966.72
  4. Step 4: Simplify right side
    12,272.49x = 117,990,076.77
  5. Step 5: Solve for x
    x = 117,990,076.77/12,272.49
  6. Step 6: Final answer
    x = 9,614.19

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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.