Home / 6,511.56-9,766.27-1,831.89

Finding the Fourth Proportional to 6,511.56, 9,766.27 and 1,831.89

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Solution

The fourth proportional to 6,511.56, 9,766.27 and 1,831.89 is: 2,747.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.56 : 9,766.27 = 1,831.89 : x
  2. Step 2: Convert to fraction form
    6,511.56/9,766.27 = 1,831.89/x
  3. Step 3: Cross multiply
    6,511.56x = 9,766.27 × 1,831.89
  4. Step 4: Simplify right side
    6,511.56x = 17,890,732.35
  5. Step 5: Solve for x
    x = 17,890,732.35/6,511.56
  6. Step 6: Final answer
    x = 2,747.53

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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.