Home / 10,971.23-16,458.47-3,179.03

Finding the Fourth Proportional to 10,971.23, 16,458.47 and 3,179.03

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Solution

The fourth proportional to 10,971.23, 16,458.47 and 3,179.03 is: 4,769.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971.23 : 16,458.47 = 3,179.03 : x
  2. Step 2: Convert to fraction form
    10,971.23/16,458.47 = 3,179.03/x
  3. Step 3: Cross multiply
    10,971.23x = 16,458.47 × 3,179.03
  4. Step 4: Simplify right side
    10,971.23x = 52,322,018.98
  5. Step 5: Solve for x
    x = 52,322,018.98/10,971.23
  6. Step 6: Final answer
    x = 4,769.02

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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.