Home / 11,898.05-17,855.30-4,106.89

Finding the Fourth Proportional to 11,898.05, 17,855.30 and 4,106.89

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Solution

The fourth proportional to 11,898.05, 17,855.30 and 4,106.89 is: 6,163.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,898.05 : 17,855.30 = 4,106.89 : x
  2. Step 2: Convert to fraction form
    11,898.05/17,855.30 = 4,106.89/x
  3. Step 3: Cross multiply
    11,898.05x = 17,855.30 × 4,106.89
  4. Step 4: Simplify right side
    11,898.05x = 73,329,753.02
  5. Step 5: Solve for x
    x = 73,329,753.02/11,898.05
  6. Step 6: Final answer
    x = 6,163.17

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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.