Home / 6,099.83-8,421.38-3,863.61

Finding the Fourth Proportional to 6,099.83, 8,421.38 and 3,863.61

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Solution

The fourth proportional to 6,099.83, 8,421.38 and 3,863.61 is: 5,334.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,099.83 : 8,421.38 = 3,863.61 : x
  2. Step 2: Convert to fraction form
    6,099.83/8,421.38 = 3,863.61/x
  3. Step 3: Cross multiply
    6,099.83x = 8,421.38 × 3,863.61
  4. Step 4: Simplify right side
    6,099.83x = 32,536,908.66
  5. Step 5: Solve for x
    x = 32,536,908.66/6,099.83
  6. Step 6: Final answer
    x = 5,334.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.