Home / 11,311.80-16,974.32-4,737.44

Finding the Fourth Proportional to 11,311.80, 16,974.32 and 4,737.44

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Solution

The fourth proportional to 11,311.80, 16,974.32 and 4,737.44 is: 7,108.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.80 : 16,974.32 = 4,737.44 : x
  2. Step 2: Convert to fraction form
    11,311.80/16,974.32 = 4,737.44/x
  3. Step 3: Cross multiply
    11,311.80x = 16,974.32 × 4,737.44
  4. Step 4: Simplify right side
    11,311.80x = 80,414,713.98
  5. Step 5: Solve for x
    x = 80,414,713.98/11,311.80
  6. Step 6: Final answer
    x = 7,108.92

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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.