Home / 7,992.88-11,030.54-4,456.11

Finding the Fourth Proportional to 7,992.88, 11,030.54 and 4,456.11

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Solution

The fourth proportional to 7,992.88, 11,030.54 and 4,456.11 is: 6,149.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.88 : 11,030.54 = 4,456.11 : x
  2. Step 2: Convert to fraction form
    7,992.88/11,030.54 = 4,456.11/x
  3. Step 3: Cross multiply
    7,992.88x = 11,030.54 × 4,456.11
  4. Step 4: Simplify right side
    7,992.88x = 49,153,299.60
  5. Step 5: Solve for x
    x = 49,153,299.60/7,992.88
  6. Step 6: Final answer
    x = 6,149.64

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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.