Home / 9,327.14-12,872.68-5,347.48

Finding the Fourth Proportional to 9,327.14, 12,872.68 and 5,347.48

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Solution

The fourth proportional to 9,327.14, 12,872.68 and 5,347.48 is: 7,380.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327.14 : 12,872.68 = 5,347.48 : x
  2. Step 2: Convert to fraction form
    9,327.14/12,872.68 = 5,347.48/x
  3. Step 3: Cross multiply
    9,327.14x = 12,872.68 × 5,347.48
  4. Step 4: Simplify right side
    9,327.14x = 68,836,398.85
  5. Step 5: Solve for x
    x = 68,836,398.85/9,327.14
  6. Step 6: Final answer
    x = 7,380.23

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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.