Home / 6,677.68-10,013.40-2,781.04

Finding the Fourth Proportional to 6,677.68, 10,013.40 and 2,781.04

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Solution

The fourth proportional to 6,677.68, 10,013.40 and 2,781.04 is: 4,170.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,677.68 : 10,013.40 = 2,781.04 : x
  2. Step 2: Convert to fraction form
    6,677.68/10,013.40 = 2,781.04/x
  3. Step 3: Cross multiply
    6,677.68x = 10,013.40 × 2,781.04
  4. Step 4: Simplify right side
    6,677.68x = 27,847,665.94
  5. Step 5: Solve for x
    x = 27,847,665.94/6,677.68
  6. Step 6: Final answer
    x = 4,170.26

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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.