Home / 10,546.96-15,820.44-2,755.78

Finding the Fourth Proportional to 10,546.96, 15,820.44 and 2,755.78

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Solution

The fourth proportional to 10,546.96, 15,820.44 and 2,755.78 is: 4,133.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,546.96 : 15,820.44 = 2,755.78 : x
  2. Step 2: Convert to fraction form
    10,546.96/15,820.44 = 2,755.78/x
  3. Step 3: Cross multiply
    10,546.96x = 15,820.44 × 2,755.78
  4. Step 4: Simplify right side
    10,546.96x = 43,597,652.14
  5. Step 5: Solve for x
    x = 43,597,652.14/10,546.96
  6. Step 6: Final answer
    x = 4,133.67

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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.