Home / 8,228.27-12,343.10-2,681.51

Finding the Fourth Proportional to 8,228.27, 12,343.10 and 2,681.51

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Solution

The fourth proportional to 8,228.27, 12,343.10 and 2,681.51 is: 4,022.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.27 : 12,343.10 = 2,681.51 : x
  2. Step 2: Convert to fraction form
    8,228.27/12,343.10 = 2,681.51/x
  3. Step 3: Cross multiply
    8,228.27x = 12,343.10 × 2,681.51
  4. Step 4: Simplify right side
    8,228.27x = 33,098,070.96
  5. Step 5: Solve for x
    x = 33,098,070.96/8,228.27
  6. Step 6: Final answer
    x = 4,022.48

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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.