Home / 12,241.56-18,363.42-4,448.28

Finding the Fourth Proportional to 12,241.56, 18,363.42 and 4,448.28

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Solution

The fourth proportional to 12,241.56, 18,363.42 and 4,448.28 is: 6,672.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241.56 : 18,363.42 = 4,448.28 : x
  2. Step 2: Convert to fraction form
    12,241.56/18,363.42 = 4,448.28/x
  3. Step 3: Cross multiply
    12,241.56x = 18,363.42 × 4,448.28
  4. Step 4: Simplify right side
    12,241.56x = 81,685,633.92
  5. Step 5: Solve for x
    x = 81,685,633.92/12,241.56
  6. Step 6: Final answer
    x = 6,672.81

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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.