Home / 11,247.57-16,871.81-4,226.85

Finding the Fourth Proportional to 11,247.57, 16,871.81 and 4,226.85

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Solution

The fourth proportional to 11,247.57, 16,871.81 and 4,226.85 is: 6,340.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.57 : 16,871.81 = 4,226.85 : x
  2. Step 2: Convert to fraction form
    11,247.57/16,871.81 = 4,226.85/x
  3. Step 3: Cross multiply
    11,247.57x = 16,871.81 × 4,226.85
  4. Step 4: Simplify right side
    11,247.57x = 71,314,588.96
  5. Step 5: Solve for x
    x = 71,314,588.96/11,247.57
  6. Step 6: Final answer
    x = 6,340.44

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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.