Home / 12,226.14-18,331.11-4,435.02

Finding the Fourth Proportional to 12,226.14, 18,331.11 and 4,435.02

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Solution

The fourth proportional to 12,226.14, 18,331.11 and 4,435.02 is: 6,649.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.14 : 18,331.11 = 4,435.02 : x
  2. Step 2: Convert to fraction form
    12,226.14/18,331.11 = 4,435.02/x
  3. Step 3: Cross multiply
    12,226.14x = 18,331.11 × 4,435.02
  4. Step 4: Simplify right side
    12,226.14x = 81,298,839.47
  5. Step 5: Solve for x
    x = 81,298,839.47/12,226.14
  6. Step 6: Final answer
    x = 6,649.59

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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.