Home / 6,167.84-8,511.36-3,515.68

Finding the Fourth Proportional to 6,167.84, 8,511.36 and 3,515.68

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Solution

The fourth proportional to 6,167.84, 8,511.36 and 3,515.68 is: 4,851.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,167.84 : 8,511.36 = 3,515.68 : x
  2. Step 2: Convert to fraction form
    6,167.84/8,511.36 = 3,515.68/x
  3. Step 3: Cross multiply
    6,167.84x = 8,511.36 × 3,515.68
  4. Step 4: Simplify right side
    6,167.84x = 29,923,218.12
  5. Step 5: Solve for x
    x = 29,923,218.12/6,167.84
  6. Step 6: Final answer
    x = 4,851.49

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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.