Home / 8,589.08-12,873.72-3,902.06

Finding the Fourth Proportional to 8,589.08, 12,873.72 and 3,902.06

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Solution

The fourth proportional to 8,589.08, 12,873.72 and 3,902.06 is: 5,848.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589.08 : 12,873.72 = 3,902.06 : x
  2. Step 2: Convert to fraction form
    8,589.08/12,873.72 = 3,902.06/x
  3. Step 3: Cross multiply
    8,589.08x = 12,873.72 × 3,902.06
  4. Step 4: Simplify right side
    8,589.08x = 50,234,027.86
  5. Step 5: Solve for x
    x = 50,234,027.86/8,589.08
  6. Step 6: Final answer
    x = 5,848.59

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1.5x scale

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.