Home / 6,939.58-9,576.46-4,251.85

Finding the Fourth Proportional to 6,939.58, 9,576.46 and 4,251.85

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Solution

The fourth proportional to 6,939.58, 9,576.46 and 4,251.85 is: 5,867.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.58 : 9,576.46 = 4,251.85 : x
  2. Step 2: Convert to fraction form
    6,939.58/9,576.46 = 4,251.85/x
  3. Step 3: Cross multiply
    6,939.58x = 9,576.46 × 4,251.85
  4. Step 4: Simplify right side
    6,939.58x = 40,717,671.45
  5. Step 5: Solve for x
    x = 40,717,671.45/6,939.58
  6. Step 6: Final answer
    x = 5,867.45

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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.