Home / 11,926.80-16,474.49-9,076.87

Finding the Fourth Proportional to 11,926.80, 16,474.49 and 9,076.87

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Solution

The fourth proportional to 11,926.80, 16,474.49 and 9,076.87 is: 12,537.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.80 : 16,474.49 = 9,076.87 : x
  2. Step 2: Convert to fraction form
    11,926.80/16,474.49 = 9,076.87/x
  3. Step 3: Cross multiply
    11,926.80x = 16,474.49 × 9,076.87
  4. Step 4: Simplify right side
    11,926.80x = 149,536,804.05
  5. Step 5: Solve for x
    x = 149,536,804.05/11,926.80
  6. Step 6: Final answer
    x = 12,537.88

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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.