Home / 7,628.09-11,442.06-2,696.54

Finding the Fourth Proportional to 7,628.09, 11,442.06 and 2,696.54

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Solution

The fourth proportional to 7,628.09, 11,442.06 and 2,696.54 is: 4,044.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.09 : 11,442.06 = 2,696.54 : x
  2. Step 2: Convert to fraction form
    7,628.09/11,442.06 = 2,696.54/x
  3. Step 3: Cross multiply
    7,628.09x = 11,442.06 × 2,696.54
  4. Step 4: Simplify right side
    7,628.09x = 30,853,915.26
  5. Step 5: Solve for x
    x = 30,853,915.26/7,628.09
  6. Step 6: Final answer
    x = 4,044.78

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1.5x scale

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.