Home / 11,033.24-16,555.36-6,872.20

Finding the Fourth Proportional to 11,033.24, 16,555.36 and 6,872.20

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Solution

The fourth proportional to 11,033.24, 16,555.36 and 6,872.20 is: 10,311.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,033.24 : 16,555.36 = 6,872.20 : x
  2. Step 2: Convert to fraction form
    11,033.24/16,555.36 = 6,872.20/x
  3. Step 3: Cross multiply
    11,033.24x = 16,555.36 × 6,872.20
  4. Step 4: Simplify right side
    11,033.24x = 113,771,744.99
  5. Step 5: Solve for x
    x = 113,771,744.99/11,033.24
  6. Step 6: Final answer
    x = 10,311.73

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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.