Home / 11,581.30-17,371.95-2,816.14

Finding the Fourth Proportional to 11,581.30, 17,371.95 and 2,816.14

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Solution

The fourth proportional to 11,581.30, 17,371.95 and 2,816.14 is: 4,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.30 : 17,371.95 = 2,816.14 : x
  2. Step 2: Convert to fraction form
    11,581.30/17,371.95 = 2,816.14/x
  3. Step 3: Cross multiply
    11,581.30x = 17,371.95 × 2,816.14
  4. Step 4: Simplify right side
    11,581.30x = 48,921,761.77
  5. Step 5: Solve for x
    x = 48,921,761.77/11,581.30
  6. Step 6: Final answer
    x = 4,224.20

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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.