Home / 8,319.73-12,475.37-2,771.12

Finding the Fourth Proportional to 8,319.73, 12,475.37 and 2,771.12

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Solution

The fourth proportional to 8,319.73, 12,475.37 and 2,771.12 is: 4,155.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.73 : 12,475.37 = 2,771.12 : x
  2. Step 2: Convert to fraction form
    8,319.73/12,475.37 = 2,771.12/x
  3. Step 3: Cross multiply
    8,319.73x = 12,475.37 × 2,771.12
  4. Step 4: Simplify right side
    8,319.73x = 34,570,747.31
  5. Step 5: Solve for x
    x = 34,570,747.31/8,319.73
  6. Step 6: Final answer
    x = 4,155.27

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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.