Home / 9,245.26-12,759.78-5,266.74

Finding the Fourth Proportional to 9,245.26, 12,759.78 and 5,266.74

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Solution

The fourth proportional to 9,245.26, 12,759.78 and 5,266.74 is: 7,268.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,245.26 : 12,759.78 = 5,266.74 : x
  2. Step 2: Convert to fraction form
    9,245.26/12,759.78 = 5,266.74/x
  3. Step 3: Cross multiply
    9,245.26x = 12,759.78 × 5,266.74
  4. Step 4: Simplify right side
    9,245.26x = 67,202,443.72
  5. Step 5: Solve for x
    x = 67,202,443.72/9,245.26
  6. Step 6: Final answer
    x = 7,268.85

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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.