Home / 8,383.28-12,573.96-2,836.64

Finding the Fourth Proportional to 8,383.28, 12,573.96 and 2,836.64

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Solution

The fourth proportional to 8,383.28, 12,573.96 and 2,836.64 is: 4,254.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.28 : 12,573.96 = 2,836.64 : x
  2. Step 2: Convert to fraction form
    8,383.28/12,573.96 = 2,836.64/x
  3. Step 3: Cross multiply
    8,383.28x = 12,573.96 × 2,836.64
  4. Step 4: Simplify right side
    8,383.28x = 35,667,797.89
  5. Step 5: Solve for x
    x = 35,667,797.89/8,383.28
  6. Step 6: Final answer
    x = 4,254.64

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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.