Home / 11,186.70-16,789.65-4,956.30

Finding the Fourth Proportional to 11,186.70, 16,789.65 and 4,956.30

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Solution

The fourth proportional to 11,186.70, 16,789.65 and 4,956.30 is: 7,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.70 : 16,789.65 = 4,956.30 : x
  2. Step 2: Convert to fraction form
    11,186.70/16,789.65 = 4,956.30/x
  3. Step 3: Cross multiply
    11,186.70x = 16,789.65 × 4,956.30
  4. Step 4: Simplify right side
    11,186.70x = 83,214,542.30
  5. Step 5: Solve for x
    x = 83,214,542.30/11,186.70
  6. Step 6: Final answer
    x = 7,438.70

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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.