Home / 11,673.31-16,108.68-6,367.81

Finding the Fourth Proportional to 11,673.31, 16,108.68 and 6,367.81

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Solution

The fourth proportional to 11,673.31, 16,108.68 and 6,367.81 is: 8,787.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.31 : 16,108.68 = 6,367.81 : x
  2. Step 2: Convert to fraction form
    11,673.31/16,108.68 = 6,367.81/x
  3. Step 3: Cross multiply
    11,673.31x = 16,108.68 × 6,367.81
  4. Step 4: Simplify right side
    11,673.31x = 102,577,013.59
  5. Step 5: Solve for x
    x = 102,577,013.59/11,673.31
  6. Step 6: Final answer
    x = 8,787.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.