Home / 9,327.38-12,871.78-5,348.32

Finding the Fourth Proportional to 9,327.38, 12,871.78 and 5,348.32

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Solution

The fourth proportional to 9,327.38, 12,871.78 and 5,348.32 is: 7,380.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327.38 : 12,871.78 = 5,348.32 : x
  2. Step 2: Convert to fraction form
    9,327.38/12,871.78 = 5,348.32/x
  3. Step 3: Cross multiply
    9,327.38x = 12,871.78 × 5,348.32
  4. Step 4: Simplify right side
    9,327.38x = 68,842,352.86
  5. Step 5: Solve for x
    x = 68,842,352.86/9,327.38
  6. Step 6: Final answer
    x = 7,380.68

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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.