Home / 8,188.06-11,299.30-4,831.02

Finding the Fourth Proportional to 8,188.06, 11,299.30 and 4,831.02

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Solution

The fourth proportional to 8,188.06, 11,299.30 and 4,831.02 is: 6,666.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.06 : 11,299.30 = 4,831.02 : x
  2. Step 2: Convert to fraction form
    8,188.06/11,299.30 = 4,831.02/x
  3. Step 3: Cross multiply
    8,188.06x = 11,299.30 × 4,831.02
  4. Step 4: Simplify right side
    8,188.06x = 54,587,144.29
  5. Step 5: Solve for x
    x = 54,587,144.29/8,188.06
  6. Step 6: Final answer
    x = 6,666.68

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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.