Home / 8,378.83-12,566.16-2,832.05

Finding the Fourth Proportional to 8,378.83, 12,566.16 and 2,832.05

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Solution

The fourth proportional to 8,378.83, 12,566.16 and 2,832.05 is: 4,247.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378.83 : 12,566.16 = 2,832.05 : x
  2. Step 2: Convert to fraction form
    8,378.83/12,566.16 = 2,832.05/x
  3. Step 3: Cross multiply
    8,378.83x = 12,566.16 × 2,832.05
  4. Step 4: Simplify right side
    8,378.83x = 35,587,993.43
  5. Step 5: Solve for x
    x = 35,587,993.43/8,378.83
  6. Step 6: Final answer
    x = 4,247.37

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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.