Home / 9,227.81-12,735.08-5,249.30

Finding the Fourth Proportional to 9,227.81, 12,735.08 and 5,249.30

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Solution

The fourth proportional to 9,227.81, 12,735.08 and 5,249.30 is: 7,244.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,227.81 : 12,735.08 = 5,249.30 : x
  2. Step 2: Convert to fraction form
    9,227.81/12,735.08 = 5,249.30/x
  3. Step 3: Cross multiply
    9,227.81x = 12,735.08 × 5,249.30
  4. Step 4: Simplify right side
    9,227.81x = 66,850,165.52
  5. Step 5: Solve for x
    x = 66,850,165.52/9,227.81
  6. Step 6: Final answer
    x = 7,244.43

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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.