Home / 12,071.20-18,093.90-5,049.44

Finding the Fourth Proportional to 12,071.20, 18,093.90 and 5,049.44

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Solution

The fourth proportional to 12,071.20, 18,093.90 and 5,049.44 is: 7,568.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.20 : 18,093.90 = 5,049.44 : x
  2. Step 2: Convert to fraction form
    12,071.20/18,093.90 = 5,049.44/x
  3. Step 3: Cross multiply
    12,071.20x = 18,093.90 × 5,049.44
  4. Step 4: Simplify right side
    12,071.20x = 91,364,062.42
  5. Step 5: Solve for x
    x = 91,364,062.42/12,071.20
  6. Step 6: Final answer
    x = 7,568.76

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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.