Home / 12,263.20-16,923.05-7,227.63

Finding the Fourth Proportional to 12,263.20, 16,923.05 and 7,227.63

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Solution

The fourth proportional to 12,263.20, 16,923.05 and 7,227.63 is: 9,974.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.20 : 16,923.05 = 7,227.63 : x
  2. Step 2: Convert to fraction form
    12,263.20/16,923.05 = 7,227.63/x
  3. Step 3: Cross multiply
    12,263.20x = 16,923.05 × 7,227.63
  4. Step 4: Simplify right side
    12,263.20x = 122,313,561.94
  5. Step 5: Solve for x
    x = 122,313,561.94/12,263.20
  6. Step 6: Final answer
    x = 9,974.04

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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.