Home / 8,546.12-12,821.36-2,390.12

Finding the Fourth Proportional to 8,546.12, 12,821.36 and 2,390.12

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Solution

The fourth proportional to 8,546.12, 12,821.36 and 2,390.12 is: 3,585.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,546.12 : 12,821.36 = 2,390.12 : x
  2. Step 2: Convert to fraction form
    8,546.12/12,821.36 = 2,390.12/x
  3. Step 3: Cross multiply
    8,546.12x = 12,821.36 × 2,390.12
  4. Step 4: Simplify right side
    8,546.12x = 30,644,588.96
  5. Step 5: Solve for x
    x = 30,644,588.96/8,546.12
  6. Step 6: Final answer
    x = 3,585.79

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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.