Home / 13,112.28-19,671.30-6,183

Finding the Fourth Proportional to 13,112.28, 19,671.30 and 6,183

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Solution

The fourth proportional to 13,112.28, 19,671.30 and 6,183 is: 9,275.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112.28 : 19,671.30 = 6,183 : x
  2. Step 2: Convert to fraction form
    13,112.28/19,671.30 = 6,183/x
  3. Step 3: Cross multiply
    13,112.28x = 19,671.30 × 6,183
  4. Step 4: Simplify right side
    13,112.28x = 121,627,647.90
  5. Step 5: Solve for x
    x = 121,627,647.90/13,112.28
  6. Step 6: Final answer
    x = 9,275.86

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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.