Home / 11,916.24-17,874.42-4,900.08

Finding the Fourth Proportional to 11,916.24, 17,874.42 and 4,900.08

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Solution

The fourth proportional to 11,916.24, 17,874.42 and 4,900.08 is: 7,350.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.24 : 17,874.42 = 4,900.08 : x
  2. Step 2: Convert to fraction form
    11,916.24/17,874.42 = 4,900.08/x
  3. Step 3: Cross multiply
    11,916.24x = 17,874.42 × 4,900.08
  4. Step 4: Simplify right side
    11,916.24x = 87,586,087.95
  5. Step 5: Solve for x
    x = 87,586,087.95/11,916.24
  6. Step 6: Final answer
    x = 7,350.14

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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.