Home / 10,767.49-16,155.82-4,198.30

Finding the Fourth Proportional to 10,767.49, 16,155.82 and 4,198.30

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Solution

The fourth proportional to 10,767.49, 16,155.82 and 4,198.30 is: 6,299.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,767.49 : 16,155.82 = 4,198.30 : x
  2. Step 2: Convert to fraction form
    10,767.49/16,155.82 = 4,198.30/x
  3. Step 3: Cross multiply
    10,767.49x = 16,155.82 × 4,198.30
  4. Step 4: Simplify right side
    10,767.49x = 67,826,979.11
  5. Step 5: Solve for x
    x = 67,826,979.11/10,767.49
  6. Step 6: Final answer
    x = 6,299.24

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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.