Home / 7,708.56-11,556.66-7,273.89

Finding the Fourth Proportional to 7,708.56, 11,556.66 and 7,273.89

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Solution

The fourth proportional to 7,708.56, 11,556.66 and 7,273.89 is: 10,905.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.56 : 11,556.66 = 7,273.89 : x
  2. Step 2: Convert to fraction form
    7,708.56/11,556.66 = 7,273.89/x
  3. Step 3: Cross multiply
    7,708.56x = 11,556.66 × 7,273.89
  4. Step 4: Simplify right side
    7,708.56x = 84,061,873.61
  5. Step 5: Solve for x
    x = 84,061,873.61/7,708.56
  6. Step 6: Final answer
    x = 10,905.00

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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.