Home / 11,288.28-16,935.90-5,053.56

Finding the Fourth Proportional to 11,288.28, 16,935.90 and 5,053.56

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Solution

The fourth proportional to 11,288.28, 16,935.90 and 5,053.56 is: 7,581.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.28 : 16,935.90 = 5,053.56 : x
  2. Step 2: Convert to fraction form
    11,288.28/16,935.90 = 5,053.56/x
  3. Step 3: Cross multiply
    11,288.28x = 16,935.90 × 5,053.56
  4. Step 4: Simplify right side
    11,288.28x = 85,586,586.80
  5. Step 5: Solve for x
    x = 85,586,586.80/11,288.28
  6. Step 6: Final answer
    x = 7,581.90

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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.