Home / 11,475.36-15,791.68-10,531.96

Finding the Fourth Proportional to 11,475.36, 15,791.68 and 10,531.96

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Solution

The fourth proportional to 11,475.36, 15,791.68 and 10,531.96 is: 14,493.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475.36 : 15,791.68 = 10,531.96 : x
  2. Step 2: Convert to fraction form
    11,475.36/15,791.68 = 10,531.96/x
  3. Step 3: Cross multiply
    11,475.36x = 15,791.68 × 10,531.96
  4. Step 4: Simplify right side
    11,475.36x = 166,317,342.09
  5. Step 5: Solve for x
    x = 166,317,342.09/11,475.36
  6. Step 6: Final answer
    x = 14,493.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.