Home / 11,890.56-17,824.80-4,097.52

Finding the Fourth Proportional to 11,890.56, 17,824.80 and 4,097.52

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Solution

The fourth proportional to 11,890.56, 17,824.80 and 4,097.52 is: 6,142.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.56 : 17,824.80 = 4,097.52 : x
  2. Step 2: Convert to fraction form
    11,890.56/17,824.80 = 4,097.52/x
  3. Step 3: Cross multiply
    11,890.56x = 17,824.80 × 4,097.52
  4. Step 4: Simplify right side
    11,890.56x = 73,037,474.50
  5. Step 5: Solve for x
    x = 73,037,474.50/11,890.56
  6. Step 6: Final answer
    x = 6,142.48

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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.