Home / 7,430.36-11,146.62-2,236.64

Finding the Fourth Proportional to 7,430.36, 11,146.62 and 2,236.64

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Solution

The fourth proportional to 7,430.36, 11,146.62 and 2,236.64 is: 3,355.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.36 : 11,146.62 = 2,236.64 : x
  2. Step 2: Convert to fraction form
    7,430.36/11,146.62 = 2,236.64/x
  3. Step 3: Cross multiply
    7,430.36x = 11,146.62 × 2,236.64
  4. Step 4: Simplify right side
    7,430.36x = 24,930,976.16
  5. Step 5: Solve for x
    x = 24,930,976.16/7,430.36
  6. Step 6: Final answer
    x = 3,355.29

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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.