Home / 8,021.28-12,032.88-3,344.46

Finding the Fourth Proportional to 8,021.28, 12,032.88 and 3,344.46

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Solution

The fourth proportional to 8,021.28, 12,032.88 and 3,344.46 is: 5,017.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.28 : 12,032.88 = 3,344.46 : x
  2. Step 2: Convert to fraction form
    8,021.28/12,032.88 = 3,344.46/x
  3. Step 3: Cross multiply
    8,021.28x = 12,032.88 × 3,344.46
  4. Step 4: Simplify right side
    8,021.28x = 40,243,485.84
  5. Step 5: Solve for x
    x = 40,243,485.84/8,021.28
  6. Step 6: Final answer
    x = 5,017.09

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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.