Home / 11,910.28-17,845.98-11,455.24

Finding the Fourth Proportional to 11,910.28, 17,845.98 and 11,455.24

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Solution

The fourth proportional to 11,910.28, 17,845.98 and 11,455.24 is: 17,164.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.28 : 17,845.98 = 11,455.24 : x
  2. Step 2: Convert to fraction form
    11,910.28/17,845.98 = 11,455.24/x
  3. Step 3: Cross multiply
    11,910.28x = 17,845.98 × 11,455.24
  4. Step 4: Simplify right side
    11,910.28x = 204,429,983.94
  5. Step 5: Solve for x
    x = 204,429,983.94/11,910.28
  6. Step 6: Final answer
    x = 17,164.16

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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.