Home / 6,624.27-9,139.16-4,103.75

Finding the Fourth Proportional to 6,624.27, 9,139.16 and 4,103.75

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Solution

The fourth proportional to 6,624.27, 9,139.16 and 4,103.75 is: 5,661.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.27 : 9,139.16 = 4,103.75 : x
  2. Step 2: Convert to fraction form
    6,624.27/9,139.16 = 4,103.75/x
  3. Step 3: Cross multiply
    6,624.27x = 9,139.16 × 4,103.75
  4. Step 4: Simplify right side
    6,624.27x = 37,504,860.96
  5. Step 5: Solve for x
    x = 37,504,860.96/6,624.27
  6. Step 6: Final answer
    x = 5,661.73

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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.