Home / 12,092.88-16,688.24-6,787.76

Finding the Fourth Proportional to 12,092.88, 16,688.24 and 6,787.76

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Solution

The fourth proportional to 12,092.88, 16,688.24 and 6,787.76 is: 9,367.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,092.88 : 16,688.24 = 6,787.76 : x
  2. Step 2: Convert to fraction form
    12,092.88/16,688.24 = 6,787.76/x
  3. Step 3: Cross multiply
    12,092.88x = 16,688.24 × 6,787.76
  4. Step 4: Simplify right side
    12,092.88x = 113,275,767.94
  5. Step 5: Solve for x
    x = 113,275,767.94/12,092.88
  6. Step 6: Final answer
    x = 9,367.15

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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.