Home / 10,956.75-16,435.17-2,748.75

Finding the Fourth Proportional to 10,956.75, 16,435.17 and 2,748.75

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Solution

The fourth proportional to 10,956.75, 16,435.17 and 2,748.75 is: 4,123.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.75 : 16,435.17 = 2,748.75 : x
  2. Step 2: Convert to fraction form
    10,956.75/16,435.17 = 2,748.75/x
  3. Step 3: Cross multiply
    10,956.75x = 16,435.17 × 2,748.75
  4. Step 4: Simplify right side
    10,956.75x = 45,176,173.54
  5. Step 5: Solve for x
    x = 45,176,173.54/10,956.75
  6. Step 6: Final answer
    x = 4,123.14

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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.