Home / 11,570.43-17,356.55-4,175.64

Finding the Fourth Proportional to 11,570.43, 17,356.55 and 4,175.64

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Solution

The fourth proportional to 11,570.43, 17,356.55 and 4,175.64 is: 6,263.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,570.43 : 17,356.55 = 4,175.64 : x
  2. Step 2: Convert to fraction form
    11,570.43/17,356.55 = 4,175.64/x
  3. Step 3: Cross multiply
    11,570.43x = 17,356.55 × 4,175.64
  4. Step 4: Simplify right side
    11,570.43x = 72,474,683.56
  5. Step 5: Solve for x
    x = 72,474,683.56/11,570.43
  6. Step 6: Final answer
    x = 6,263.78

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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.