Home / 11,179.36-16,666.24-10,654.56

Finding the Fourth Proportional to 11,179.36, 16,666.24 and 10,654.56

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Solution

The fourth proportional to 11,179.36, 16,666.24 and 10,654.56 is: 15,883.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.36 : 16,666.24 = 10,654.56 : x
  2. Step 2: Convert to fraction form
    11,179.36/16,666.24 = 10,654.56/x
  3. Step 3: Cross multiply
    11,179.36x = 16,666.24 × 10,654.56
  4. Step 4: Simplify right side
    11,179.36x = 177,571,454.05
  5. Step 5: Solve for x
    x = 177,571,454.05/11,179.36
  6. Step 6: Final answer
    x = 15,883.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.