Home / 8,311.05-11,467.68-4,954.18

Finding the Fourth Proportional to 8,311.05, 11,467.68 and 4,954.18

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Solution

The fourth proportional to 8,311.05, 11,467.68 and 4,954.18 is: 6,835.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311.05 : 11,467.68 = 4,954.18 : x
  2. Step 2: Convert to fraction form
    8,311.05/11,467.68 = 4,954.18/x
  3. Step 3: Cross multiply
    8,311.05x = 11,467.68 × 4,954.18
  4. Step 4: Simplify right side
    8,311.05x = 56,812,922.23
  5. Step 5: Solve for x
    x = 56,812,922.23/8,311.05
  6. Step 6: Final answer
    x = 6,835.83

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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.