Home / 8,588.39-12,873.78-3,654.86

Finding the Fourth Proportional to 8,588.39, 12,873.78 and 3,654.86

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Solution

The fourth proportional to 8,588.39, 12,873.78 and 3,654.86 is: 5,478.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588.39 : 12,873.78 = 3,654.86 : x
  2. Step 2: Convert to fraction form
    8,588.39/12,873.78 = 3,654.86/x
  3. Step 3: Cross multiply
    8,588.39x = 12,873.78 × 3,654.86
  4. Step 4: Simplify right side
    8,588.39x = 47,051,799.20
  5. Step 5: Solve for x
    x = 47,051,799.20/8,588.39
  6. Step 6: Final answer
    x = 5,478.54

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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.