Home / 7,992.65-11,029.56-4,455.79

Finding the Fourth Proportional to 7,992.65, 11,029.56 and 4,455.79

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Solution

The fourth proportional to 7,992.65, 11,029.56 and 4,455.79 is: 6,148.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.65 : 11,029.56 = 4,455.79 : x
  2. Step 2: Convert to fraction form
    7,992.65/11,029.56 = 4,455.79/x
  3. Step 3: Cross multiply
    7,992.65x = 11,029.56 × 4,455.79
  4. Step 4: Simplify right side
    7,992.65x = 49,145,403.15
  5. Step 5: Solve for x
    x = 49,145,403.15/7,992.65
  6. Step 6: Final answer
    x = 6,148.82

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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.