Home / 10,922.70-16,380.45-3,996.30

Finding the Fourth Proportional to 10,922.70, 16,380.45 and 3,996.30

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Solution

The fourth proportional to 10,922.70, 16,380.45 and 3,996.30 is: 5,993.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922.70 : 16,380.45 = 3,996.30 : x
  2. Step 2: Convert to fraction form
    10,922.70/16,380.45 = 3,996.30/x
  3. Step 3: Cross multiply
    10,922.70x = 16,380.45 × 3,996.30
  4. Step 4: Simplify right side
    10,922.70x = 65,461,192.34
  5. Step 5: Solve for x
    x = 65,461,192.34/10,922.70
  6. Step 6: Final answer
    x = 5,993.13

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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.