Home / 11,926.94-17,890.40-4,529.66

Finding the Fourth Proportional to 11,926.94, 17,890.40 and 4,529.66

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Solution

The fourth proportional to 11,926.94, 17,890.40 and 4,529.66 is: 6,794.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.94 : 17,890.40 = 4,529.66 : x
  2. Step 2: Convert to fraction form
    11,926.94/17,890.40 = 4,529.66/x
  3. Step 3: Cross multiply
    11,926.94x = 17,890.40 × 4,529.66
  4. Step 4: Simplify right side
    11,926.94x = 81,037,351.14
  5. Step 5: Solve for x
    x = 81,037,351.14/11,926.94
  6. Step 6: Final answer
    x = 6,794.48

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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.