Home / 11,966.64-17,938.88-5,299.59

Finding the Fourth Proportional to 11,966.64, 17,938.88 and 5,299.59

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Solution

The fourth proportional to 11,966.64, 17,938.88 and 5,299.59 is: 7,944.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,966.64 : 17,938.88 = 5,299.59 : x
  2. Step 2: Convert to fraction form
    11,966.64/17,938.88 = 5,299.59/x
  3. Step 3: Cross multiply
    11,966.64x = 17,938.88 × 5,299.59
  4. Step 4: Simplify right side
    11,966.64x = 95,068,682.56
  5. Step 5: Solve for x
    x = 95,068,682.56/11,966.64
  6. Step 6: Final answer
    x = 7,944.48

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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.