Home / 7,945.38-10,963.71-4,408.02

Finding the Fourth Proportional to 7,945.38, 10,963.71 and 4,408.02

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Solution

The fourth proportional to 7,945.38, 10,963.71 and 4,408.02 is: 6,082.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.38 : 10,963.71 = 4,408.02 : x
  2. Step 2: Convert to fraction form
    7,945.38/10,963.71 = 4,408.02/x
  3. Step 3: Cross multiply
    7,945.38x = 10,963.71 × 4,408.02
  4. Step 4: Simplify right side
    7,945.38x = 48,328,252.95
  5. Step 5: Solve for x
    x = 48,328,252.95/7,945.38
  6. Step 6: Final answer
    x = 6,082.56

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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.