Home / 8,676.11-13,012.70-2,434.69

Finding the Fourth Proportional to 8,676.11, 13,012.70 and 2,434.69

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Solution

The fourth proportional to 8,676.11, 13,012.70 and 2,434.69 is: 3,651.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.11 : 13,012.70 = 2,434.69 : x
  2. Step 2: Convert to fraction form
    8,676.11/13,012.70 = 2,434.69/x
  3. Step 3: Cross multiply
    8,676.11x = 13,012.70 × 2,434.69
  4. Step 4: Simplify right side
    8,676.11x = 31,681,890.56
  5. Step 5: Solve for x
    x = 31,681,890.56/8,676.11
  6. Step 6: Final answer
    x = 3,651.62

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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.