Home / 8,714.60-13,078.62-3,524.20

Finding the Fourth Proportional to 8,714.60, 13,078.62 and 3,524.20

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Solution

The fourth proportional to 8,714.60, 13,078.62 and 3,524.20 is: 5,289.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,714.60 : 13,078.62 = 3,524.20 : x
  2. Step 2: Convert to fraction form
    8,714.60/13,078.62 = 3,524.20/x
  3. Step 3: Cross multiply
    8,714.60x = 13,078.62 × 3,524.20
  4. Step 4: Simplify right side
    8,714.60x = 46,091,672.60
  5. Step 5: Solve for x
    x = 46,091,672.60/8,714.60
  6. Step 6: Final answer
    x = 5,289.02

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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.