Home / 6,516.11-8,992.18-3,531.87

Finding the Fourth Proportional to 6,516.11, 8,992.18 and 3,531.87

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Solution

The fourth proportional to 6,516.11, 8,992.18 and 3,531.87 is: 4,873.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.11 : 8,992.18 = 3,531.87 : x
  2. Step 2: Convert to fraction form
    6,516.11/8,992.18 = 3,531.87/x
  3. Step 3: Cross multiply
    6,516.11x = 8,992.18 × 3,531.87
  4. Step 4: Simplify right side
    6,516.11x = 31,759,188.30
  5. Step 5: Solve for x
    x = 31,759,188.30/6,516.11
  6. Step 6: Final answer
    x = 4,873.95

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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.