Home / 10,375.50-15,563.26-3,361.40

Finding the Fourth Proportional to 10,375.50, 15,563.26 and 3,361.40

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Solution

The fourth proportional to 10,375.50, 15,563.26 and 3,361.40 is: 5,042.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,375.50 : 15,563.26 = 3,361.40 : x
  2. Step 2: Convert to fraction form
    10,375.50/15,563.26 = 3,361.40/x
  3. Step 3: Cross multiply
    10,375.50x = 15,563.26 × 3,361.40
  4. Step 4: Simplify right side
    10,375.50x = 52,314,342.16
  5. Step 5: Solve for x
    x = 52,314,342.16/10,375.50
  6. Step 6: Final answer
    x = 5,042.10

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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.