Home / 12,002.89-16,563.94-6,625.29

Finding the Fourth Proportional to 12,002.89, 16,563.94 and 6,625.29

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Solution

The fourth proportional to 12,002.89, 16,563.94 and 6,625.29 is: 9,142.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,002.89 : 16,563.94 = 6,625.29 : x
  2. Step 2: Convert to fraction form
    12,002.89/16,563.94 = 6,625.29/x
  3. Step 3: Cross multiply
    12,002.89x = 16,563.94 × 6,625.29
  4. Step 4: Simplify right side
    12,002.89x = 109,740,906.04
  5. Step 5: Solve for x
    x = 109,740,906.04/12,002.89
  6. Step 6: Final answer
    x = 9,142.87

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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.