Home / 8,114.37-12,171.48-2,567.70

Finding the Fourth Proportional to 8,114.37, 12,171.48 and 2,567.70

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Solution

The fourth proportional to 8,114.37, 12,171.48 and 2,567.70 is: 3,851.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.37 : 12,171.48 = 2,567.70 : x
  2. Step 2: Convert to fraction form
    8,114.37/12,171.48 = 2,567.70/x
  3. Step 3: Cross multiply
    8,114.37x = 12,171.48 × 2,567.70
  4. Step 4: Simplify right side
    8,114.37x = 31,252,709.20
  5. Step 5: Solve for x
    x = 31,252,709.20/8,114.37
  6. Step 6: Final answer
    x = 3,851.53

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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.