Home / 11,779.10-17,657.66-3,982.46

Finding the Fourth Proportional to 11,779.10, 17,657.66 and 3,982.46

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Solution

The fourth proportional to 11,779.10, 17,657.66 and 3,982.46 is: 5,969.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.10 : 17,657.66 = 3,982.46 : x
  2. Step 2: Convert to fraction form
    11,779.10/17,657.66 = 3,982.46/x
  3. Step 3: Cross multiply
    11,779.10x = 17,657.66 × 3,982.46
  4. Step 4: Simplify right side
    11,779.10x = 70,320,924.64
  5. Step 5: Solve for x
    x = 70,320,924.64/11,779.10
  6. Step 6: Final answer
    x = 5,969.97

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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.