Home / 10,603.14-15,910.18-4,367.76

Finding the Fourth Proportional to 10,603.14, 15,910.18 and 4,367.76

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Solution

The fourth proportional to 10,603.14, 15,910.18 and 4,367.76 is: 6,553.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603.14 : 15,910.18 = 4,367.76 : x
  2. Step 2: Convert to fraction form
    10,603.14/15,910.18 = 4,367.76/x
  3. Step 3: Cross multiply
    10,603.14x = 15,910.18 × 4,367.76
  4. Step 4: Simplify right side
    10,603.14x = 69,491,847.80
  5. Step 5: Solve for x
    x = 69,491,847.80/10,603.14
  6. Step 6: Final answer
    x = 6,553.89

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1.5x scale

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.