Home / 7,255.88-10,013.90-4,272.44

Finding the Fourth Proportional to 7,255.88, 10,013.90 and 4,272.44

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Solution

The fourth proportional to 7,255.88, 10,013.90 and 4,272.44 is: 5,896.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.88 : 10,013.90 = 4,272.44 : x
  2. Step 2: Convert to fraction form
    7,255.88/10,013.90 = 4,272.44/x
  3. Step 3: Cross multiply
    7,255.88x = 10,013.90 × 4,272.44
  4. Step 4: Simplify right side
    7,255.88x = 42,783,786.92
  5. Step 5: Solve for x
    x = 42,783,786.92/7,255.88
  6. Step 6: Final answer
    x = 5,896.43

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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.