Home / 11,672.82-16,176.64-11,451.30

Finding the Fourth Proportional to 11,672.82, 16,176.64 and 11,451.30

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Solution

The fourth proportional to 11,672.82, 16,176.64 and 11,451.30 is: 15,869.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.82 : 16,176.64 = 11,451.30 : x
  2. Step 2: Convert to fraction form
    11,672.82/16,176.64 = 11,451.30/x
  3. Step 3: Cross multiply
    11,672.82x = 16,176.64 × 11,451.30
  4. Step 4: Simplify right side
    11,672.82x = 185,243,529.00
  5. Step 5: Solve for x
    x = 185,243,529.00/11,672.82
  6. Step 6: Final answer
    x = 15,869.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.