Home / 6,991.06-10,486.24-2,608.16

Finding the Fourth Proportional to 6,991.06, 10,486.24 and 2,608.16

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Solution

The fourth proportional to 6,991.06, 10,486.24 and 2,608.16 is: 3,912.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991.06 : 10,486.24 = 2,608.16 : x
  2. Step 2: Convert to fraction form
    6,991.06/10,486.24 = 2,608.16/x
  3. Step 3: Cross multiply
    6,991.06x = 10,486.24 × 2,608.16
  4. Step 4: Simplify right side
    6,991.06x = 27,349,791.72
  5. Step 5: Solve for x
    x = 27,349,791.72/6,991.06
  6. Step 6: Final answer
    x = 3,912.11

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1.5x scale

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.