Home / 8,623.60-12,932.06-3,357.86

Finding the Fourth Proportional to 8,623.60, 12,932.06 and 3,357.86

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Solution

The fourth proportional to 8,623.60, 12,932.06 and 3,357.86 is: 5,035.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.60 : 12,932.06 = 3,357.86 : x
  2. Step 2: Convert to fraction form
    8,623.60/12,932.06 = 3,357.86/x
  3. Step 3: Cross multiply
    8,623.60x = 12,932.06 × 3,357.86
  4. Step 4: Simplify right side
    8,623.60x = 43,423,965.54
  5. Step 5: Solve for x
    x = 43,423,965.54/8,623.60
  6. Step 6: Final answer
    x = 5,035.48

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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.