Home / 6,167.78-8,511.18-3,515.44

Finding the Fourth Proportional to 6,167.78, 8,511.18 and 3,515.44

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Solution

The fourth proportional to 6,167.78, 8,511.18 and 3,515.44 is: 4,851.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,167.78 : 8,511.18 = 3,515.44 : x
  2. Step 2: Convert to fraction form
    6,167.78/8,511.18 = 3,515.44/x
  3. Step 3: Cross multiply
    6,167.78x = 8,511.18 × 3,515.44
  4. Step 4: Simplify right side
    6,167.78x = 29,920,500.06
  5. Step 5: Solve for x
    x = 29,920,500.06/6,167.78
  6. Step 6: Final answer
    x = 4,851.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.