Home / 8,546.90-12,821.52-2,704.28

Finding the Fourth Proportional to 8,546.90, 12,821.52 and 2,704.28

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Solution

The fourth proportional to 8,546.90, 12,821.52 and 2,704.28 is: 4,056.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,546.90 : 12,821.52 = 2,704.28 : x
  2. Step 2: Convert to fraction form
    8,546.90/12,821.52 = 2,704.28/x
  3. Step 3: Cross multiply
    8,546.90x = 12,821.52 × 2,704.28
  4. Step 4: Simplify right side
    8,546.90x = 34,672,980.11
  5. Step 5: Solve for x
    x = 34,672,980.11/8,546.90
  6. Step 6: Final answer
    x = 4,056.79

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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.