Home / 7,956.81-11,939.27-3,573.36

Finding the Fourth Proportional to 7,956.81, 11,939.27 and 3,573.36

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Solution

The fourth proportional to 7,956.81, 11,939.27 and 3,573.36 is: 5,361.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.81 : 11,939.27 = 3,573.36 : x
  2. Step 2: Convert to fraction form
    7,956.81/11,939.27 = 3,573.36/x
  3. Step 3: Cross multiply
    7,956.81x = 11,939.27 × 3,573.36
  4. Step 4: Simplify right side
    7,956.81x = 42,663,291.98
  5. Step 5: Solve for x
    x = 42,663,291.98/7,956.81
  6. Step 6: Final answer
    x = 5,361.86

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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.