Home / 11,861.48-17,791.58-4,070.12

Finding the Fourth Proportional to 11,861.48, 17,791.58 and 4,070.12

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Solution

The fourth proportional to 11,861.48, 17,791.58 and 4,070.12 is: 6,104.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,861.48 : 17,791.58 = 4,070.12 : x
  2. Step 2: Convert to fraction form
    11,861.48/17,791.58 = 4,070.12/x
  3. Step 3: Cross multiply
    11,861.48x = 17,791.58 × 4,070.12
  4. Step 4: Simplify right side
    11,861.48x = 72,413,865.59
  5. Step 5: Solve for x
    x = 72,413,865.59/11,861.48
  6. Step 6: Final answer
    x = 6,104.96

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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.