Home / 10,445.46-14,414.88-5,729.44

Finding the Fourth Proportional to 10,445.46, 14,414.88 and 5,729.44

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Solution

The fourth proportional to 10,445.46, 14,414.88 and 5,729.44 is: 7,906.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.46 : 14,414.88 = 5,729.44 : x
  2. Step 2: Convert to fraction form
    10,445.46/14,414.88 = 5,729.44/x
  3. Step 3: Cross multiply
    10,445.46x = 14,414.88 × 5,729.44
  4. Step 4: Simplify right side
    10,445.46x = 82,589,190.07
  5. Step 5: Solve for x
    x = 82,589,190.07/10,445.46
  6. Step 6: Final answer
    x = 7,906.71

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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.