Home / 11,128.60-16,694.73-4,553.02

Finding the Fourth Proportional to 11,128.60, 16,694.73 and 4,553.02

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Solution

The fourth proportional to 11,128.60, 16,694.73 and 4,553.02 is: 6,830.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.60 : 16,694.73 = 4,553.02 : x
  2. Step 2: Convert to fraction form
    11,128.60/16,694.73 = 4,553.02/x
  3. Step 3: Cross multiply
    11,128.60x = 16,694.73 × 4,553.02
  4. Step 4: Simplify right side
    11,128.60x = 76,011,439.58
  5. Step 5: Solve for x
    x = 76,011,439.58/11,128.60
  6. Step 6: Final answer
    x = 6,830.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.