Home / 11,951.72-17,928.66-6,113.24

Finding the Fourth Proportional to 11,951.72, 17,928.66 and 6,113.24

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Solution

The fourth proportional to 11,951.72, 17,928.66 and 6,113.24 is: 9,170.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,951.72 : 17,928.66 = 6,113.24 : x
  2. Step 2: Convert to fraction form
    11,951.72/17,928.66 = 6,113.24/x
  3. Step 3: Cross multiply
    11,951.72x = 17,928.66 × 6,113.24
  4. Step 4: Simplify right side
    11,951.72x = 109,602,201.46
  5. Step 5: Solve for x
    x = 109,602,201.46/11,951.72
  6. Step 6: Final answer
    x = 9,170.41

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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.