Home / 11,852.90-17,781.18-4,059.86

Finding the Fourth Proportional to 11,852.90, 17,781.18 and 4,059.86

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Solution

The fourth proportional to 11,852.90, 17,781.18 and 4,059.86 is: 6,090.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852.90 : 17,781.18 = 4,059.86 : x
  2. Step 2: Convert to fraction form
    11,852.90/17,781.18 = 4,059.86/x
  3. Step 3: Cross multiply
    11,852.90x = 17,781.18 × 4,059.86
  4. Step 4: Simplify right side
    11,852.90x = 72,189,101.43
  5. Step 5: Solve for x
    x = 72,189,101.43/11,852.90
  6. Step 6: Final answer
    x = 6,090.42

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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.