Home / 11,841.89-17,761.55-6,289.34

Finding the Fourth Proportional to 11,841.89, 17,761.55 and 6,289.34

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Solution

The fourth proportional to 11,841.89, 17,761.55 and 6,289.34 is: 9,433.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,841.89 : 17,761.55 = 6,289.34 : x
  2. Step 2: Convert to fraction form
    11,841.89/17,761.55 = 6,289.34/x
  3. Step 3: Cross multiply
    11,841.89x = 17,761.55 × 6,289.34
  4. Step 4: Simplify right side
    11,841.89x = 111,708,306.62
  5. Step 5: Solve for x
    x = 111,708,306.62/11,841.89
  6. Step 6: Final answer
    x = 9,433.32

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1.5x scale

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.