Home / 7,982.96-11,971.52-3,050.16

Finding the Fourth Proportional to 7,982.96, 11,971.52 and 3,050.16

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Solution

The fourth proportional to 7,982.96, 11,971.52 and 3,050.16 is: 4,574.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.96 : 11,971.52 = 3,050.16 : x
  2. Step 2: Convert to fraction form
    7,982.96/11,971.52 = 3,050.16/x
  3. Step 3: Cross multiply
    7,982.96x = 11,971.52 × 3,050.16
  4. Step 4: Simplify right side
    7,982.96x = 36,515,051.44
  5. Step 5: Solve for x
    x = 36,515,051.44/7,982.96
  6. Step 6: Final answer
    x = 4,574.12

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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.