Home / 12,524.99-18,787.83-3,759.91

Finding the Fourth Proportional to 12,524.99, 18,787.83 and 3,759.91

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Solution

The fourth proportional to 12,524.99, 18,787.83 and 3,759.91 is: 5,639.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524.99 : 18,787.83 = 3,759.91 : x
  2. Step 2: Convert to fraction form
    12,524.99/18,787.83 = 3,759.91/x
  3. Step 3: Cross multiply
    12,524.99x = 18,787.83 × 3,759.91
  4. Step 4: Simplify right side
    12,524.99x = 70,640,549.90
  5. Step 5: Solve for x
    x = 70,640,549.90/12,524.99
  6. Step 6: Final answer
    x = 5,639.97

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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.