Home / 8,048.30-12,076.05-3,886.70

Finding the Fourth Proportional to 8,048.30, 12,076.05 and 3,886.70

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Solution

The fourth proportional to 8,048.30, 12,076.05 and 3,886.70 is: 5,831.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,048.30 : 12,076.05 = 3,886.70 : x
  2. Step 2: Convert to fraction form
    8,048.30/12,076.05 = 3,886.70/x
  3. Step 3: Cross multiply
    8,048.30x = 12,076.05 × 3,886.70
  4. Step 4: Simplify right side
    8,048.30x = 46,935,983.54
  5. Step 5: Solve for x
    x = 46,935,983.54/8,048.30
  6. Step 6: Final answer
    x = 5,831.79

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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.