Home / 8,549.12-12,825.12-3,932

Finding the Fourth Proportional to 8,549.12, 12,825.12 and 3,932

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Solution

The fourth proportional to 8,549.12, 12,825.12 and 3,932 is: 5,898.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.12 : 12,825.12 = 3,932 : x
  2. Step 2: Convert to fraction form
    8,549.12/12,825.12 = 3,932/x
  3. Step 3: Cross multiply
    8,549.12x = 12,825.12 × 3,932
  4. Step 4: Simplify right side
    8,549.12x = 50,428,371.84
  5. Step 5: Solve for x
    x = 50,428,371.84/8,549.12
  6. Step 6: Final answer
    x = 5,898.66

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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.