Home / 7,343.32-11,015.00-5,161.81

Finding the Fourth Proportional to 7,343.32, 11,015.00 and 5,161.81

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Solution

The fourth proportional to 7,343.32, 11,015.00 and 5,161.81 is: 7,742.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.32 : 11,015.00 = 5,161.81 : x
  2. Step 2: Convert to fraction form
    7,343.32/11,015.00 = 5,161.81/x
  3. Step 3: Cross multiply
    7,343.32x = 11,015.00 × 5,161.81
  4. Step 4: Simplify right side
    7,343.32x = 56,857,311.34
  5. Step 5: Solve for x
    x = 56,857,311.34/7,343.32
  6. Step 6: Final answer
    x = 7,742.73

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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.