Home / 8,116.36-12,175.56-2,567.70

Finding the Fourth Proportional to 8,116.36, 12,175.56 and 2,567.70

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Solution

The fourth proportional to 8,116.36, 12,175.56 and 2,567.70 is: 3,851.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.36 : 12,175.56 = 2,567.70 : x
  2. Step 2: Convert to fraction form
    8,116.36/12,175.56 = 2,567.70/x
  3. Step 3: Cross multiply
    8,116.36x = 12,175.56 × 2,567.70
  4. Step 4: Simplify right side
    8,116.36x = 31,263,149.38
  5. Step 5: Solve for x
    x = 31,263,149.38/8,116.36
  6. Step 6: Final answer
    x = 3,851.87

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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.