Home / 11,249.16-16,861.75-8,467.23

Finding the Fourth Proportional to 11,249.16, 16,861.75 and 8,467.23

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Solution

The fourth proportional to 11,249.16, 16,861.75 and 8,467.23 is: 12,691.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.16 : 16,861.75 = 8,467.23 : x
  2. Step 2: Convert to fraction form
    11,249.16/16,861.75 = 8,467.23/x
  3. Step 3: Cross multiply
    11,249.16x = 16,861.75 × 8,467.23
  4. Step 4: Simplify right side
    11,249.16x = 142,772,315.45
  5. Step 5: Solve for x
    x = 142,772,315.45/11,249.16
  6. Step 6: Final answer
    x = 12,691.82

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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.