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Finding the Fourth Proportional to 12,226.01, 16,873.39 and 7,189.99

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Solution

The fourth proportional to 12,226.01, 16,873.39 and 7,189.99 is: 9,923.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.01 : 16,873.39 = 7,189.99 : x
  2. Step 2: Convert to fraction form
    12,226.01/16,873.39 = 7,189.99/x
  3. Step 3: Cross multiply
    12,226.01x = 16,873.39 × 7,189.99
  4. Step 4: Simplify right side
    12,226.01x = 121,319,499.40
  5. Step 5: Solve for x
    x = 121,319,499.40/12,226.01
  6. Step 6: Final answer
    x = 9,923.06

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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.