Home / 11,434.36-17,149.20-3,114.94

Finding the Fourth Proportional to 11,434.36, 17,149.20 and 3,114.94

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Solution

The fourth proportional to 11,434.36, 17,149.20 and 3,114.94 is: 4,671.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,434.36 : 17,149.20 = 3,114.94 : x
  2. Step 2: Convert to fraction form
    11,434.36/17,149.20 = 3,114.94/x
  3. Step 3: Cross multiply
    11,434.36x = 17,149.20 × 3,114.94
  4. Step 4: Simplify right side
    11,434.36x = 53,418,729.05
  5. Step 5: Solve for x
    x = 53,418,729.05/11,434.36
  6. Step 6: Final answer
    x = 4,671.77

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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.