Home / 11,691.39-17,434.11-11,586.09

Finding the Fourth Proportional to 11,691.39, 17,434.11 and 11,586.09

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Solution

The fourth proportional to 11,691.39, 17,434.11 and 11,586.09 is: 17,277.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,691.39 : 17,434.11 = 11,586.09 : x
  2. Step 2: Convert to fraction form
    11,691.39/17,434.11 = 11,586.09/x
  3. Step 3: Cross multiply
    11,691.39x = 17,434.11 × 11,586.09
  4. Step 4: Simplify right side
    11,691.39x = 201,993,167.53
  5. Step 5: Solve for x
    x = 201,993,167.53/11,691.39
  6. Step 6: Final answer
    x = 17,277.09

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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.