Home / 11,266.62-16,890.09-4,688.70

Finding the Fourth Proportional to 11,266.62, 16,890.09 and 4,688.70

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Solution

The fourth proportional to 11,266.62, 16,890.09 and 4,688.70 is: 7,028.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,266.62 : 16,890.09 = 4,688.70 : x
  2. Step 2: Convert to fraction form
    11,266.62/16,890.09 = 4,688.70/x
  3. Step 3: Cross multiply
    11,266.62x = 16,890.09 × 4,688.70
  4. Step 4: Simplify right side
    11,266.62x = 79,192,564.98
  5. Step 5: Solve for x
    x = 79,192,564.98/11,266.62
  6. Step 6: Final answer
    x = 7,028.96

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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.