Home / 10,994.21-16,487.19-4,418.15

Finding the Fourth Proportional to 10,994.21, 16,487.19 and 4,418.15

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Solution

The fourth proportional to 10,994.21, 16,487.19 and 4,418.15 is: 6,625.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,994.21 : 16,487.19 = 4,418.15 : x
  2. Step 2: Convert to fraction form
    10,994.21/16,487.19 = 4,418.15/x
  3. Step 3: Cross multiply
    10,994.21x = 16,487.19 × 4,418.15
  4. Step 4: Simplify right side
    10,994.21x = 72,842,919.72
  5. Step 5: Solve for x
    x = 72,842,919.72/10,994.21
  6. Step 6: Final answer
    x = 6,625.57

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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.