Home / 8,383.56-12,575.12-2,836.86

Finding the Fourth Proportional to 8,383.56, 12,575.12 and 2,836.86

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Solution

The fourth proportional to 8,383.56, 12,575.12 and 2,836.86 is: 4,255.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.56 : 12,575.12 = 2,836.86 : x
  2. Step 2: Convert to fraction form
    8,383.56/12,575.12 = 2,836.86/x
  3. Step 3: Cross multiply
    8,383.56x = 12,575.12 × 2,836.86
  4. Step 4: Simplify right side
    8,383.56x = 35,673,840.74
  5. Step 5: Solve for x
    x = 35,673,840.74/8,383.56
  6. Step 6: Final answer
    x = 4,255.21

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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.