Home / 10,982.46-16,490.10-10,818.44

Finding the Fourth Proportional to 10,982.46, 16,490.10 and 10,818.44

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Solution

The fourth proportional to 10,982.46, 16,490.10 and 10,818.44 is: 16,243.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.46 : 16,490.10 = 10,818.44 : x
  2. Step 2: Convert to fraction form
    10,982.46/16,490.10 = 10,818.44/x
  3. Step 3: Cross multiply
    10,982.46x = 16,490.10 × 10,818.44
  4. Step 4: Simplify right side
    10,982.46x = 178,397,074.99
  5. Step 5: Solve for x
    x = 178,397,074.99/10,982.46
  6. Step 6: Final answer
    x = 16,243.82

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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.