Home / 6,860.88-9,468.50-3,876.99

Finding the Fourth Proportional to 6,860.88, 9,468.50 and 3,876.99

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Solution

The fourth proportional to 6,860.88, 9,468.50 and 3,876.99 is: 5,350.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.88 : 9,468.50 = 3,876.99 : x
  2. Step 2: Convert to fraction form
    6,860.88/9,468.50 = 3,876.99/x
  3. Step 3: Cross multiply
    6,860.88x = 9,468.50 × 3,876.99
  4. Step 4: Simplify right side
    6,860.88x = 36,709,251.55
  5. Step 5: Solve for x
    x = 36,709,251.55/6,860.88
  6. Step 6: Final answer
    x = 5,350.52

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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.