Home / 9,236.62-12,747.25-5,257.99

Finding the Fourth Proportional to 9,236.62, 12,747.25 and 5,257.99

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Solution

The fourth proportional to 9,236.62, 12,747.25 and 5,257.99 is: 7,256.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,236.62 : 12,747.25 = 5,257.99 : x
  2. Step 2: Convert to fraction form
    9,236.62/12,747.25 = 5,257.99/x
  3. Step 3: Cross multiply
    9,236.62x = 12,747.25 × 5,257.99
  4. Step 4: Simplify right side
    9,236.62x = 67,024,913.03
  5. Step 5: Solve for x
    x = 67,024,913.03/9,236.62
  6. Step 6: Final answer
    x = 7,256.43

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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.