Home / 12,007.18-18,011.68-3,241.97

Finding the Fourth Proportional to 12,007.18, 18,011.68 and 3,241.97

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Solution

The fourth proportional to 12,007.18, 18,011.68 and 3,241.97 is: 4,863.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,007.18 : 18,011.68 = 3,241.97 : x
  2. Step 2: Convert to fraction form
    12,007.18/18,011.68 = 3,241.97/x
  3. Step 3: Cross multiply
    12,007.18x = 18,011.68 × 3,241.97
  4. Step 4: Simplify right side
    12,007.18x = 58,393,228.05
  5. Step 5: Solve for x
    x = 58,393,228.05/12,007.18
  6. Step 6: Final answer
    x = 4,863.19

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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.