Home / 7,426.44-11,136.78-2,745.72

Finding the Fourth Proportional to 7,426.44, 11,136.78 and 2,745.72

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Solution

The fourth proportional to 7,426.44, 11,136.78 and 2,745.72 is: 4,117.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.44 : 11,136.78 = 2,745.72 : x
  2. Step 2: Convert to fraction form
    7,426.44/11,136.78 = 2,745.72/x
  3. Step 3: Cross multiply
    7,426.44x = 11,136.78 × 2,745.72
  4. Step 4: Simplify right side
    7,426.44x = 30,578,479.58
  5. Step 5: Solve for x
    x = 30,578,479.58/7,426.44
  6. Step 6: Final answer
    x = 4,117.52

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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.