Home / 11,938.67-17,907.99-3,173.59

Finding the Fourth Proportional to 11,938.67, 17,907.99 and 3,173.59

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Solution

The fourth proportional to 11,938.67, 17,907.99 and 3,173.59 is: 4,760.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.67 : 17,907.99 = 3,173.59 : x
  2. Step 2: Convert to fraction form
    11,938.67/17,907.99 = 3,173.59/x
  3. Step 3: Cross multiply
    11,938.67x = 17,907.99 × 3,173.59
  4. Step 4: Simplify right side
    11,938.67x = 56,832,573.21
  5. Step 5: Solve for x
    x = 56,832,573.21/11,938.67
  6. Step 6: Final answer
    x = 4,760.38

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1.5x scale

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.