Home / 7,927.31-11,882.85-5,159.54

Finding the Fourth Proportional to 7,927.31, 11,882.85 and 5,159.54

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Solution

The fourth proportional to 7,927.31, 11,882.85 and 5,159.54 is: 7,734.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.31 : 11,882.85 = 5,159.54 : x
  2. Step 2: Convert to fraction form
    7,927.31/11,882.85 = 5,159.54/x
  3. Step 3: Cross multiply
    7,927.31x = 11,882.85 × 5,159.54
  4. Step 4: Simplify right side
    7,927.31x = 61,310,039.89
  5. Step 5: Solve for x
    x = 61,310,039.89/7,927.31
  6. Step 6: Final answer
    x = 7,734.03

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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.