Home / 10,821.88-16,232.10-4,249.18

Finding the Fourth Proportional to 10,821.88, 16,232.10 and 4,249.18

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Solution

The fourth proportional to 10,821.88, 16,232.10 and 4,249.18 is: 6,373.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.88 : 16,232.10 = 4,249.18 : x
  2. Step 2: Convert to fraction form
    10,821.88/16,232.10 = 4,249.18/x
  3. Step 3: Cross multiply
    10,821.88x = 16,232.10 × 4,249.18
  4. Step 4: Simplify right side
    10,821.88x = 68,973,114.68
  5. Step 5: Solve for x
    x = 68,973,114.68/10,821.88
  6. Step 6: Final answer
    x = 6,373.49

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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.