Home / 8,751.39-13,115.55-3,554.43

Finding the Fourth Proportional to 8,751.39, 13,115.55 and 3,554.43

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Solution

The fourth proportional to 8,751.39, 13,115.55 and 3,554.43 is: 5,326.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.39 : 13,115.55 = 3,554.43 : x
  2. Step 2: Convert to fraction form
    8,751.39/13,115.55 = 3,554.43/x
  3. Step 3: Cross multiply
    8,751.39x = 13,115.55 × 3,554.43
  4. Step 4: Simplify right side
    8,751.39x = 46,618,304.39
  5. Step 5: Solve for x
    x = 46,618,304.39/8,751.39
  6. Step 6: Final answer
    x = 5,326.96

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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.