Home / 7,941.12-11,913.48-2,675.97

Finding the Fourth Proportional to 7,941.12, 11,913.48 and 2,675.97

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Solution

The fourth proportional to 7,941.12, 11,913.48 and 2,675.97 is: 4,014.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.12 : 11,913.48 = 2,675.97 : x
  2. Step 2: Convert to fraction form
    7,941.12/11,913.48 = 2,675.97/x
  3. Step 3: Cross multiply
    7,941.12x = 11,913.48 × 2,675.97
  4. Step 4: Simplify right side
    7,941.12x = 31,880,115.08
  5. Step 5: Solve for x
    x = 31,880,115.08/7,941.12
  6. Step 6: Final answer
    x = 4,014.56

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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.