Home / 11,763.12-17,631.25-4,738.64

Finding the Fourth Proportional to 11,763.12, 17,631.25 and 4,738.64

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Solution

The fourth proportional to 11,763.12, 17,631.25 and 4,738.64 is: 7,102.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763.12 : 17,631.25 = 4,738.64 : x
  2. Step 2: Convert to fraction form
    11,763.12/17,631.25 = 4,738.64/x
  3. Step 3: Cross multiply
    11,763.12x = 17,631.25 × 4,738.64
  4. Step 4: Simplify right side
    11,763.12x = 83,548,034.65
  5. Step 5: Solve for x
    x = 83,548,034.65/11,763.12
  6. Step 6: Final answer
    x = 7,102.54

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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.