Home / 12,227.92-16,875.14-6,922.40

Finding the Fourth Proportional to 12,227.92, 16,875.14 and 6,922.40

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Solution

The fourth proportional to 12,227.92, 16,875.14 and 6,922.40 is: 9,553.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.92 : 16,875.14 = 6,922.40 : x
  2. Step 2: Convert to fraction form
    12,227.92/16,875.14 = 6,922.40/x
  3. Step 3: Cross multiply
    12,227.92x = 16,875.14 × 6,922.40
  4. Step 4: Simplify right side
    12,227.92x = 116,816,469.14
  5. Step 5: Solve for x
    x = 116,816,469.14/12,227.92
  6. Step 6: Final answer
    x = 9,553.26

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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.