Home / 10,812.73-16,217.70-3,417.94

Finding the Fourth Proportional to 10,812.73, 16,217.70 and 3,417.94

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Solution

The fourth proportional to 10,812.73, 16,217.70 and 3,417.94 is: 5,126.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.73 : 16,217.70 = 3,417.94 : x
  2. Step 2: Convert to fraction form
    10,812.73/16,217.70 = 3,417.94/x
  3. Step 3: Cross multiply
    10,812.73x = 16,217.70 × 3,417.94
  4. Step 4: Simplify right side
    10,812.73x = 55,431,084.99
  5. Step 5: Solve for x
    x = 55,431,084.99/10,812.73
  6. Step 6: Final answer
    x = 5,126.47

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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.