Home / 11,380.41-15,704.91-6,344.58

Finding the Fourth Proportional to 11,380.41, 15,704.91 and 6,344.58

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Solution

The fourth proportional to 11,380.41, 15,704.91 and 6,344.58 is: 8,755.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.41 : 15,704.91 = 6,344.58 : x
  2. Step 2: Convert to fraction form
    11,380.41/15,704.91 = 6,344.58/x
  3. Step 3: Cross multiply
    11,380.41x = 15,704.91 × 6,344.58
  4. Step 4: Simplify right side
    11,380.41x = 99,641,057.89
  5. Step 5: Solve for x
    x = 99,641,057.89/11,380.41
  6. Step 6: Final answer
    x = 8,755.49

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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.