Home / 12,467.88-18,699.84-4,153.68

Finding the Fourth Proportional to 12,467.88, 18,699.84 and 4,153.68

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Solution

The fourth proportional to 12,467.88, 18,699.84 and 4,153.68 is: 6,229.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467.88 : 18,699.84 = 4,153.68 : x
  2. Step 2: Convert to fraction form
    12,467.88/18,699.84 = 4,153.68/x
  3. Step 3: Cross multiply
    12,467.88x = 18,699.84 × 4,153.68
  4. Step 4: Simplify right side
    12,467.88x = 77,673,151.41
  5. Step 5: Solve for x
    x = 77,673,151.41/12,467.88
  6. Step 6: Final answer
    x = 6,229.86

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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.