Home / 11,249.10-15,523.33-6,213.21

Finding the Fourth Proportional to 11,249.10, 15,523.33 and 6,213.21

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Solution

The fourth proportional to 11,249.10, 15,523.33 and 6,213.21 is: 8,573.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.10 : 15,523.33 = 6,213.21 : x
  2. Step 2: Convert to fraction form
    11,249.10/15,523.33 = 6,213.21/x
  3. Step 3: Cross multiply
    11,249.10x = 15,523.33 × 6,213.21
  4. Step 4: Simplify right side
    11,249.10x = 96,449,709.19
  5. Step 5: Solve for x
    x = 96,449,709.19/11,249.10
  6. Step 6: Final answer
    x = 8,573.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.