Home / 8,195.14-12,270.84-4,291.34

Finding the Fourth Proportional to 8,195.14, 12,270.84 and 4,291.34

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Solution

The fourth proportional to 8,195.14, 12,270.84 and 4,291.34 is: 6,425.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.14 : 12,270.84 = 4,291.34 : x
  2. Step 2: Convert to fraction form
    8,195.14/12,270.84 = 4,291.34/x
  3. Step 3: Cross multiply
    8,195.14x = 12,270.84 × 4,291.34
  4. Step 4: Simplify right side
    8,195.14x = 52,658,346.53
  5. Step 5: Solve for x
    x = 52,658,346.53/8,195.14
  6. Step 6: Final answer
    x = 6,425.56

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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.