Home / 8,623.35-12,932.29-3,691.67

Finding the Fourth Proportional to 8,623.35, 12,932.29 and 3,691.67

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Solution

The fourth proportional to 8,623.35, 12,932.29 and 3,691.67 is: 5,536.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.35 : 12,932.29 = 3,691.67 : x
  2. Step 2: Convert to fraction form
    8,623.35/12,932.29 = 3,691.67/x
  3. Step 3: Cross multiply
    8,623.35x = 12,932.29 × 3,691.67
  4. Step 4: Simplify right side
    8,623.35x = 47,741,673.13
  5. Step 5: Solve for x
    x = 47,741,673.13/8,623.35
  6. Step 6: Final answer
    x = 5,536.33

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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.