Home / 10,675.20-16,013.76-3,749.76

Finding the Fourth Proportional to 10,675.20, 16,013.76 and 3,749.76

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Solution

The fourth proportional to 10,675.20, 16,013.76 and 3,749.76 is: 5,624.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,675.20 : 16,013.76 = 3,749.76 : x
  2. Step 2: Convert to fraction form
    10,675.20/16,013.76 = 3,749.76/x
  3. Step 3: Cross multiply
    10,675.20x = 16,013.76 × 3,749.76
  4. Step 4: Simplify right side
    10,675.20x = 60,047,756.70
  5. Step 5: Solve for x
    x = 60,047,756.70/10,675.20
  6. Step 6: Final answer
    x = 5,624.98

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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.