Home / 12,262.97-16,923.45-7,227.40

Finding the Fourth Proportional to 12,262.97, 16,923.45 and 7,227.40

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Solution

The fourth proportional to 12,262.97, 16,923.45 and 7,227.40 is: 9,974.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.97 : 16,923.45 = 7,227.40 : x
  2. Step 2: Convert to fraction form
    12,262.97/16,923.45 = 7,227.40/x
  3. Step 3: Cross multiply
    12,262.97x = 16,923.45 × 7,227.40
  4. Step 4: Simplify right side
    12,262.97x = 122,312,581.75
  5. Step 5: Solve for x
    x = 122,312,581.75/12,262.97
  6. Step 6: Final answer
    x = 9,974.14

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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.