Home / 8,078.27-11,148.03-4,541.51

Finding the Fourth Proportional to 8,078.27, 11,148.03 and 4,541.51

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Solution

The fourth proportional to 8,078.27, 11,148.03 and 4,541.51 is: 6,267.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078.27 : 11,148.03 = 4,541.51 : x
  2. Step 2: Convert to fraction form
    8,078.27/11,148.03 = 4,541.51/x
  3. Step 3: Cross multiply
    8,078.27x = 11,148.03 × 4,541.51
  4. Step 4: Simplify right side
    8,078.27x = 50,628,889.73
  5. Step 5: Solve for x
    x = 50,628,889.73/8,078.27
  6. Step 6: Final answer
    x = 6,267.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.