Home / 8,995.72-13,486.92-4,311.27

Finding the Fourth Proportional to 8,995.72, 13,486.92 and 4,311.27

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Solution

The fourth proportional to 8,995.72, 13,486.92 and 4,311.27 is: 6,463.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.72 : 13,486.92 = 4,311.27 : x
  2. Step 2: Convert to fraction form
    8,995.72/13,486.92 = 4,311.27/x
  3. Step 3: Cross multiply
    8,995.72x = 13,486.92 × 4,311.27
  4. Step 4: Simplify right side
    8,995.72x = 58,145,737.42
  5. Step 5: Solve for x
    x = 58,145,737.42/8,995.72
  6. Step 6: Final answer
    x = 6,463.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.