Home / 8,078.48-11,149.30-4,541.69

Finding the Fourth Proportional to 8,078.48, 11,149.30 and 4,541.69

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Solution

The fourth proportional to 8,078.48, 11,149.30 and 4,541.69 is: 6,268.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078.48 : 11,149.30 = 4,541.69 : x
  2. Step 2: Convert to fraction form
    8,078.48/11,149.30 = 4,541.69/x
  3. Step 3: Cross multiply
    8,078.48x = 11,149.30 × 4,541.69
  4. Step 4: Simplify right side
    8,078.48x = 50,636,664.32
  5. Step 5: Solve for x
    x = 50,636,664.32/8,078.48
  6. Step 6: Final answer
    x = 6,268.09

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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.