Home / 7,949.28-11,932.80-4,668.48

Finding the Fourth Proportional to 7,949.28, 11,932.80 and 4,668.48

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Solution

The fourth proportional to 7,949.28, 11,932.80 and 4,668.48 is: 7,007.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.28 : 11,932.80 = 4,668.48 : x
  2. Step 2: Convert to fraction form
    7,949.28/11,932.80 = 4,668.48/x
  3. Step 3: Cross multiply
    7,949.28x = 11,932.80 × 4,668.48
  4. Step 4: Simplify right side
    7,949.28x = 55,708,038.14
  5. Step 5: Solve for x
    x = 55,708,038.14/7,949.28
  6. Step 6: Final answer
    x = 7,007.94

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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.