Home / 7,971.57-11,944.03-5,627.73

Finding the Fourth Proportional to 7,971.57, 11,944.03 and 5,627.73

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Solution

The fourth proportional to 7,971.57, 11,944.03 and 5,627.73 is: 8,432.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.57 : 11,944.03 = 5,627.73 : x
  2. Step 2: Convert to fraction form
    7,971.57/11,944.03 = 5,627.73/x
  3. Step 3: Cross multiply
    7,971.57x = 11,944.03 × 5,627.73
  4. Step 4: Simplify right side
    7,971.57x = 67,217,775.95
  5. Step 5: Solve for x
    x = 67,217,775.95/7,971.57
  6. Step 6: Final answer
    x = 8,432.19

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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.