Home / 8,026.80-12,040.16-2,831.52

Finding the Fourth Proportional to 8,026.80, 12,040.16 and 2,831.52

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Solution

The fourth proportional to 8,026.80, 12,040.16 and 2,831.52 is: 4,247.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,026.80 : 12,040.16 = 2,831.52 : x
  2. Step 2: Convert to fraction form
    8,026.80/12,040.16 = 2,831.52/x
  3. Step 3: Cross multiply
    8,026.80x = 12,040.16 × 2,831.52
  4. Step 4: Simplify right side
    8,026.80x = 34,091,953.84
  5. Step 5: Solve for x
    x = 34,091,953.84/8,026.80
  6. Step 6: Final answer
    x = 4,247.27

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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.