Home / 11,750.91-17,626.38-3,959.72

Finding the Fourth Proportional to 11,750.91, 17,626.38 and 3,959.72

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Solution

The fourth proportional to 11,750.91, 17,626.38 and 3,959.72 is: 5,939.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.91 : 17,626.38 = 3,959.72 : x
  2. Step 2: Convert to fraction form
    11,750.91/17,626.38 = 3,959.72/x
  3. Step 3: Cross multiply
    11,750.91x = 17,626.38 × 3,959.72
  4. Step 4: Simplify right side
    11,750.91x = 69,795,492.53
  5. Step 5: Solve for x
    x = 69,795,492.53/11,750.91
  6. Step 6: Final answer
    x = 5,939.58

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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.