Home / 8,206.11-11,324.04-4,621.09

Finding the Fourth Proportional to 8,206.11, 11,324.04 and 4,621.09

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Solution

The fourth proportional to 8,206.11, 11,324.04 and 4,621.09 is: 6,376.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206.11 : 11,324.04 = 4,621.09 : x
  2. Step 2: Convert to fraction form
    8,206.11/11,324.04 = 4,621.09/x
  3. Step 3: Cross multiply
    8,206.11x = 11,324.04 × 4,621.09
  4. Step 4: Simplify right side
    8,206.11x = 52,329,408.00
  5. Step 5: Solve for x
    x = 52,329,408.00/8,206.11
  6. Step 6: Final answer
    x = 6,376.88

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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.