Home / 8,167.24-12,250.64-2,620.96

Finding the Fourth Proportional to 8,167.24, 12,250.64 and 2,620.96

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Solution

The fourth proportional to 8,167.24, 12,250.64 and 2,620.96 is: 3,931.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.24 : 12,250.64 = 2,620.96 : x
  2. Step 2: Convert to fraction form
    8,167.24/12,250.64 = 2,620.96/x
  3. Step 3: Cross multiply
    8,167.24x = 12,250.64 × 2,620.96
  4. Step 4: Simplify right side
    8,167.24x = 32,108,437.41
  5. Step 5: Solve for x
    x = 32,108,437.41/8,167.24
  6. Step 6: Final answer
    x = 3,931.37

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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.