Home / 12,272.91-16,936.61-6,683.91

Finding the Fourth Proportional to 12,272.91, 16,936.61 and 6,683.91

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Solution

The fourth proportional to 12,272.91, 16,936.61 and 6,683.91 is: 9,223.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272.91 : 16,936.61 = 6,683.91 : x
  2. Step 2: Convert to fraction form
    12,272.91/16,936.61 = 6,683.91/x
  3. Step 3: Cross multiply
    12,272.91x = 16,936.61 × 6,683.91
  4. Step 4: Simplify right side
    12,272.91x = 113,202,730.14
  5. Step 5: Solve for x
    x = 113,202,730.14/12,272.91
  6. Step 6: Final answer
    x = 9,223.79

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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.