Home / 11,917.26-17,971.29-11,753.19

Finding the Fourth Proportional to 11,917.26, 17,971.29 and 11,753.19

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Solution

The fourth proportional to 11,917.26, 17,971.29 and 11,753.19 is: 17,723.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.26 : 17,971.29 = 11,753.19 : x
  2. Step 2: Convert to fraction form
    11,917.26/17,971.29 = 11,753.19/x
  3. Step 3: Cross multiply
    11,917.26x = 17,971.29 × 11,753.19
  4. Step 4: Simplify right side
    11,917.26x = 211,219,985.92
  5. Step 5: Solve for x
    x = 211,219,985.92/11,917.26
  6. Step 6: Final answer
    x = 17,723.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.