Home / 7,982.09-11,971.60-3,050.56

Finding the Fourth Proportional to 7,982.09, 11,971.60 and 3,050.56

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Solution

The fourth proportional to 7,982.09, 11,971.60 and 3,050.56 is: 4,575.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.09 : 11,971.60 = 3,050.56 : x
  2. Step 2: Convert to fraction form
    7,982.09/11,971.60 = 3,050.56/x
  3. Step 3: Cross multiply
    7,982.09x = 11,971.60 × 3,050.56
  4. Step 4: Simplify right side
    7,982.09x = 36,520,091.43
  5. Step 5: Solve for x
    x = 36,520,091.43/7,982.09
  6. Step 6: Final answer
    x = 4,575.25

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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.