Home / 10,217.14-15,320.68-3,197.88

Finding the Fourth Proportional to 10,217.14, 15,320.68 and 3,197.88

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Solution

The fourth proportional to 10,217.14, 15,320.68 and 3,197.88 is: 4,795.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.14 : 15,320.68 = 3,197.88 : x
  2. Step 2: Convert to fraction form
    10,217.14/15,320.68 = 3,197.88/x
  3. Step 3: Cross multiply
    10,217.14x = 15,320.68 × 3,197.88
  4. Step 4: Simplify right side
    10,217.14x = 48,993,688.16
  5. Step 5: Solve for x
    x = 48,993,688.16/10,217.14
  6. Step 6: Final answer
    x = 4,795.25

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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.