Home / 6,881.11-10,323.41-3,185.99

Finding the Fourth Proportional to 6,881.11, 10,323.41 and 3,185.99

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Solution

The fourth proportional to 6,881.11, 10,323.41 and 3,185.99 is: 4,779.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881.11 : 10,323.41 = 3,185.99 : x
  2. Step 2: Convert to fraction form
    6,881.11/10,323.41 = 3,185.99/x
  3. Step 3: Cross multiply
    6,881.11x = 10,323.41 × 3,185.99
  4. Step 4: Simplify right side
    6,881.11x = 32,890,281.03
  5. Step 5: Solve for x
    x = 32,890,281.03/6,881.11
  6. Step 6: Final answer
    x = 4,779.79

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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.