Home / 6,991.56-10,485.66-2,059.86

Finding the Fourth Proportional to 6,991.56, 10,485.66 and 2,059.86

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Solution

The fourth proportional to 6,991.56, 10,485.66 and 2,059.86 is: 3,089.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991.56 : 10,485.66 = 2,059.86 : x
  2. Step 2: Convert to fraction form
    6,991.56/10,485.66 = 2,059.86/x
  3. Step 3: Cross multiply
    6,991.56x = 10,485.66 × 2,059.86
  4. Step 4: Simplify right side
    6,991.56x = 21,598,991.61
  5. Step 5: Solve for x
    x = 21,598,991.61/6,991.56
  6. Step 6: Final answer
    x = 3,089.30

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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.