Home / 8,717.22-12,035.34-6,696.72

Finding the Fourth Proportional to 8,717.22, 12,035.34 and 6,696.72

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Solution

The fourth proportional to 8,717.22, 12,035.34 and 6,696.72 is: 9,245.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.22 : 12,035.34 = 6,696.72 : x
  2. Step 2: Convert to fraction form
    8,717.22/12,035.34 = 6,696.72/x
  3. Step 3: Cross multiply
    8,717.22x = 12,035.34 × 6,696.72
  4. Step 4: Simplify right side
    8,717.22x = 80,597,302.08
  5. Step 5: Solve for x
    x = 80,597,302.08/8,717.22
  6. Step 6: Final answer
    x = 9,245.76

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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.