Home / 8,546.18-12,796.89-6,871.40

Finding the Fourth Proportional to 8,546.18, 12,796.89 and 6,871.40

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Solution

The fourth proportional to 8,546.18, 12,796.89 and 6,871.40 is: 10,289.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,546.18 : 12,796.89 = 6,871.40 : x
  2. Step 2: Convert to fraction form
    8,546.18/12,796.89 = 6,871.40/x
  3. Step 3: Cross multiply
    8,546.18x = 12,796.89 × 6,871.40
  4. Step 4: Simplify right side
    8,546.18x = 87,932,508.18
  5. Step 5: Solve for x
    x = 87,932,508.18/8,546.18
  6. Step 6: Final answer
    x = 10,289.11

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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.