Home / 8,008.68-12,013.48-2,165.76

Finding the Fourth Proportional to 8,008.68, 12,013.48 and 2,165.76

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Solution

The fourth proportional to 8,008.68, 12,013.48 and 2,165.76 is: 3,248.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,008.68 : 12,013.48 = 2,165.76 : x
  2. Step 2: Convert to fraction form
    8,008.68/12,013.48 = 2,165.76/x
  3. Step 3: Cross multiply
    8,008.68x = 12,013.48 × 2,165.76
  4. Step 4: Simplify right side
    8,008.68x = 26,018,314.44
  5. Step 5: Solve for x
    x = 26,018,314.44/8,008.68
  6. Step 6: Final answer
    x = 3,248.76

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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.