Home / 8,362.11-12,549.57-3,102.12

Finding the Fourth Proportional to 8,362.11, 12,549.57 and 3,102.12

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Solution

The fourth proportional to 8,362.11, 12,549.57 and 3,102.12 is: 4,655.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,362.11 : 12,549.57 = 3,102.12 : x
  2. Step 2: Convert to fraction form
    8,362.11/12,549.57 = 3,102.12/x
  3. Step 3: Cross multiply
    8,362.11x = 12,549.57 × 3,102.12
  4. Step 4: Simplify right side
    8,362.11x = 38,930,272.09
  5. Step 5: Solve for x
    x = 38,930,272.09/8,362.11
  6. Step 6: Final answer
    x = 4,655.56

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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.