Home / 11,505.35-17,174.04-9,872.39

Finding the Fourth Proportional to 11,505.35, 17,174.04 and 9,872.39

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Solution

The fourth proportional to 11,505.35, 17,174.04 and 9,872.39 is: 14,736.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,505.35 : 17,174.04 = 9,872.39 : x
  2. Step 2: Convert to fraction form
    11,505.35/17,174.04 = 9,872.39/x
  3. Step 3: Cross multiply
    11,505.35x = 17,174.04 × 9,872.39
  4. Step 4: Simplify right side
    11,505.35x = 169,548,826.67
  5. Step 5: Solve for x
    x = 169,548,826.67/11,505.35
  6. Step 6: Final answer
    x = 14,736.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.