Home / 9,327.39-12,872.91-5,348.49

Finding the Fourth Proportional to 9,327.39, 12,872.91 and 5,348.49

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Solution

The fourth proportional to 9,327.39, 12,872.91 and 5,348.49 is: 7,381.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327.39 : 12,872.91 = 5,348.49 : x
  2. Step 2: Convert to fraction form
    9,327.39/12,872.91 = 5,348.49/x
  3. Step 3: Cross multiply
    9,327.39x = 12,872.91 × 5,348.49
  4. Step 4: Simplify right side
    9,327.39x = 68,850,630.41
  5. Step 5: Solve for x
    x = 68,850,630.41/9,327.39
  6. Step 6: Final answer
    x = 7,381.55

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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.