Home / 7,469.36-11,202.52-2,851.28

Finding the Fourth Proportional to 7,469.36, 11,202.52 and 2,851.28

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Solution

The fourth proportional to 7,469.36, 11,202.52 and 2,851.28 is: 4,276.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.36 : 11,202.52 = 2,851.28 : x
  2. Step 2: Convert to fraction form
    7,469.36/11,202.52 = 2,851.28/x
  3. Step 3: Cross multiply
    7,469.36x = 11,202.52 × 2,851.28
  4. Step 4: Simplify right side
    7,469.36x = 31,941,521.23
  5. Step 5: Solve for x
    x = 31,941,521.23/7,469.36
  6. Step 6: Final answer
    x = 4,276.34

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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.