Home / 9,961.62-13,743.99-5,769.06

Finding the Fourth Proportional to 9,961.62, 13,743.99 and 5,769.06

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Solution

The fourth proportional to 9,961.62, 13,743.99 and 5,769.06 is: 7,959.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,961.62 : 13,743.99 = 5,769.06 : x
  2. Step 2: Convert to fraction form
    9,961.62/13,743.99 = 5,769.06/x
  3. Step 3: Cross multiply
    9,961.62x = 13,743.99 × 5,769.06
  4. Step 4: Simplify right side
    9,961.62x = 79,289,902.95
  5. Step 5: Solve for x
    x = 79,289,902.95/9,961.62
  6. Step 6: Final answer
    x = 7,959.54

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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.