Home / 7,947.24-11,928.71-5,965.98

Finding the Fourth Proportional to 7,947.24, 11,928.71 and 5,965.98

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Solution

The fourth proportional to 7,947.24, 11,928.71 and 5,965.98 is: 8,954.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,947.24 : 11,928.71 = 5,965.98 : x
  2. Step 2: Convert to fraction form
    7,947.24/11,928.71 = 5,965.98/x
  3. Step 3: Cross multiply
    7,947.24x = 11,928.71 × 5,965.98
  4. Step 4: Simplify right side
    7,947.24x = 71,166,475.11
  5. Step 5: Solve for x
    x = 71,166,475.11/7,947.24
  6. Step 6: Final answer
    x = 8,954.86

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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.