Home / 10,664.36-15,996.54-2,873.78

Finding the Fourth Proportional to 10,664.36, 15,996.54 and 2,873.78

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Solution

The fourth proportional to 10,664.36, 15,996.54 and 2,873.78 is: 4,310.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664.36 : 15,996.54 = 2,873.78 : x
  2. Step 2: Convert to fraction form
    10,664.36/15,996.54 = 2,873.78/x
  3. Step 3: Cross multiply
    10,664.36x = 15,996.54 × 2,873.78
  4. Step 4: Simplify right side
    10,664.36x = 45,970,536.72
  5. Step 5: Solve for x
    x = 45,970,536.72/10,664.36
  6. Step 6: Final answer
    x = 4,310.67

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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.