Home / 11,672.60-16,108.42-6,367.56

Finding the Fourth Proportional to 11,672.60, 16,108.42 and 6,367.56

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Solution

The fourth proportional to 11,672.60, 16,108.42 and 6,367.56 is: 8,787.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.60 : 16,108.42 = 6,367.56 : x
  2. Step 2: Convert to fraction form
    11,672.60/16,108.42 = 6,367.56/x
  3. Step 3: Cross multiply
    11,672.60x = 16,108.42 × 6,367.56
  4. Step 4: Simplify right side
    11,672.60x = 102,571,330.86
  5. Step 5: Solve for x
    x = 102,571,330.86/11,672.60
  6. Step 6: Final answer
    x = 8,787.36

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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.