Home / 7,358.82-11,040.36-2,164.68

Finding the Fourth Proportional to 7,358.82, 11,040.36 and 2,164.68

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Solution

The fourth proportional to 7,358.82, 11,040.36 and 2,164.68 is: 3,247.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.82 : 11,040.36 = 2,164.68 : x
  2. Step 2: Convert to fraction form
    7,358.82/11,040.36 = 2,164.68/x
  3. Step 3: Cross multiply
    7,358.82x = 11,040.36 × 2,164.68
  4. Step 4: Simplify right side
    7,358.82x = 23,898,846.48
  5. Step 5: Solve for x
    x = 23,898,846.48/7,358.82
  6. Step 6: Final answer
    x = 3,247.65

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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.