Home / 12,163.32-16,787.52-11,609.28

Finding the Fourth Proportional to 12,163.32, 16,787.52 and 11,609.28

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Solution

The fourth proportional to 12,163.32, 16,787.52 and 11,609.28 is: 16,022.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163.32 : 16,787.52 = 11,609.28 : x
  2. Step 2: Convert to fraction form
    12,163.32/16,787.52 = 11,609.28/x
  3. Step 3: Cross multiply
    12,163.32x = 16,787.52 × 11,609.28
  4. Step 4: Simplify right side
    12,163.32x = 194,891,020.19
  5. Step 5: Solve for x
    x = 194,891,020.19/12,163.32
  6. Step 6: Final answer
    x = 16,022.85

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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.