Home / 12,281.16-18,425.34-3,961.01

Finding the Fourth Proportional to 12,281.16, 18,425.34 and 3,961.01

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Solution

The fourth proportional to 12,281.16, 18,425.34 and 3,961.01 is: 5,942.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,281.16 : 18,425.34 = 3,961.01 : x
  2. Step 2: Convert to fraction form
    12,281.16/18,425.34 = 3,961.01/x
  3. Step 3: Cross multiply
    12,281.16x = 18,425.34 × 3,961.01
  4. Step 4: Simplify right side
    12,281.16x = 72,982,955.99
  5. Step 5: Solve for x
    x = 72,982,955.99/12,281.16
  6. Step 6: Final answer
    x = 5,942.68

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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.