Home / 8,090.40-12,136.20-2,247.46

Finding the Fourth Proportional to 8,090.40, 12,136.20 and 2,247.46

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Solution

The fourth proportional to 8,090.40, 12,136.20 and 2,247.46 is: 3,371.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.40 : 12,136.20 = 2,247.46 : x
  2. Step 2: Convert to fraction form
    8,090.40/12,136.20 = 2,247.46/x
  3. Step 3: Cross multiply
    8,090.40x = 12,136.20 × 2,247.46
  4. Step 4: Simplify right side
    8,090.40x = 27,275,624.05
  5. Step 5: Solve for x
    x = 27,275,624.05/8,090.40
  6. Step 6: Final answer
    x = 3,371.36

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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.