Home / 12,196.20-18,299.70-4,410.60

Finding the Fourth Proportional to 12,196.20, 18,299.70 and 4,410.60

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Solution

The fourth proportional to 12,196.20, 18,299.70 and 4,410.60 is: 6,617.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,196.20 : 18,299.70 = 4,410.60 : x
  2. Step 2: Convert to fraction form
    12,196.20/18,299.70 = 4,410.60/x
  3. Step 3: Cross multiply
    12,196.20x = 18,299.70 × 4,410.60
  4. Step 4: Simplify right side
    12,196.20x = 80,712,656.82
  5. Step 5: Solve for x
    x = 80,712,656.82/12,196.20
  6. Step 6: Final answer
    x = 6,617.85

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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.