Home / 12,490.14-18,725.97-5,908.62

Finding the Fourth Proportional to 12,490.14, 18,725.97 and 5,908.62

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Solution

The fourth proportional to 12,490.14, 18,725.97 and 5,908.62 is: 8,858.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,490.14 : 18,725.97 = 5,908.62 : x
  2. Step 2: Convert to fraction form
    12,490.14/18,725.97 = 5,908.62/x
  3. Step 3: Cross multiply
    12,490.14x = 18,725.97 × 5,908.62
  4. Step 4: Simplify right side
    12,490.14x = 110,644,640.86
  5. Step 5: Solve for x
    x = 110,644,640.86/12,490.14
  6. Step 6: Final answer
    x = 8,858.56

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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.