Home / 11,458.51-17,191.53-7,236.89

Finding the Fourth Proportional to 11,458.51, 17,191.53 and 7,236.89

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Solution

The fourth proportional to 11,458.51, 17,191.53 and 7,236.89 is: 10,857.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,458.51 : 17,191.53 = 7,236.89 : x
  2. Step 2: Convert to fraction form
    11,458.51/17,191.53 = 7,236.89/x
  3. Step 3: Cross multiply
    11,458.51x = 17,191.53 × 7,236.89
  4. Step 4: Simplify right side
    11,458.51x = 124,413,190.05
  5. Step 5: Solve for x
    x = 124,413,190.05/11,458.51
  6. Step 6: Final answer
    x = 10,857.71

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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.