Home / 11,961.24-17,941.95-4,170.06

Finding the Fourth Proportional to 11,961.24, 17,941.95 and 4,170.06

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Solution

The fourth proportional to 11,961.24, 17,941.95 and 4,170.06 is: 6,255.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.24 : 17,941.95 = 4,170.06 : x
  2. Step 2: Convert to fraction form
    11,961.24/17,941.95 = 4,170.06/x
  3. Step 3: Cross multiply
    11,961.24x = 17,941.95 × 4,170.06
  4. Step 4: Simplify right side
    11,961.24x = 74,819,008.02
  5. Step 5: Solve for x
    x = 74,819,008.02/11,961.24
  6. Step 6: Final answer
    x = 6,255.12

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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.