Home / 12,049.39-18,101.84-8,548.09

Finding the Fourth Proportional to 12,049.39, 18,101.84 and 8,548.09

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Solution

The fourth proportional to 12,049.39, 18,101.84 and 8,548.09 is: 12,841.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049.39 : 18,101.84 = 8,548.09 : x
  2. Step 2: Convert to fraction form
    12,049.39/18,101.84 = 8,548.09/x
  3. Step 3: Cross multiply
    12,049.39x = 18,101.84 × 8,548.09
  4. Step 4: Simplify right side
    12,049.39x = 154,736,114.75
  5. Step 5: Solve for x
    x = 154,736,114.75/12,049.39
  6. Step 6: Final answer
    x = 12,841.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.