Home / 9,872.68-14,811.99-3,635.68

Finding the Fourth Proportional to 9,872.68, 14,811.99 and 3,635.68

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Solution

The fourth proportional to 9,872.68, 14,811.99 and 3,635.68 is: 5,454.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872.68 : 14,811.99 = 3,635.68 : x
  2. Step 2: Convert to fraction form
    9,872.68/14,811.99 = 3,635.68/x
  3. Step 3: Cross multiply
    9,872.68x = 14,811.99 × 3,635.68
  4. Step 4: Simplify right side
    9,872.68x = 53,851,655.80
  5. Step 5: Solve for x
    x = 53,851,655.80/9,872.68
  6. Step 6: Final answer
    x = 5,454.61

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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.