Home / 11,969.64-17,956.26-4,176.63

Finding the Fourth Proportional to 11,969.64, 17,956.26 and 4,176.63

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Solution

The fourth proportional to 11,969.64, 17,956.26 and 4,176.63 is: 6,265.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969.64 : 17,956.26 = 4,176.63 : x
  2. Step 2: Convert to fraction form
    11,969.64/17,956.26 = 4,176.63/x
  3. Step 3: Cross multiply
    11,969.64x = 17,956.26 × 4,176.63
  4. Step 4: Simplify right side
    11,969.64x = 74,996,654.20
  5. Step 5: Solve for x
    x = 74,996,654.20/11,969.64
  6. Step 6: Final answer
    x = 6,265.57

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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.