Home / 9,228.19-12,734.83-5,249.30

Finding the Fourth Proportional to 9,228.19, 12,734.83 and 5,249.30

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Solution

The fourth proportional to 9,228.19, 12,734.83 and 5,249.30 is: 7,243.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228.19 : 12,734.83 = 5,249.30 : x
  2. Step 2: Convert to fraction form
    9,228.19/12,734.83 = 5,249.30/x
  3. Step 3: Cross multiply
    9,228.19x = 12,734.83 × 5,249.30
  4. Step 4: Simplify right side
    9,228.19x = 66,848,943.12
  5. Step 5: Solve for x
    x = 66,848,943.12/9,228.19
  6. Step 6: Final answer
    x = 7,243.99

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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.