Home / 9,696.28-14,541.36-3,121

Finding the Fourth Proportional to 9,696.28, 14,541.36 and 3,121

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Solution

The fourth proportional to 9,696.28, 14,541.36 and 3,121 is: 4,680.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,696.28 : 14,541.36 = 3,121 : x
  2. Step 2: Convert to fraction form
    9,696.28/14,541.36 = 3,121/x
  3. Step 3: Cross multiply
    9,696.28x = 14,541.36 × 3,121
  4. Step 4: Simplify right side
    9,696.28x = 45,383,584.56
  5. Step 5: Solve for x
    x = 45,383,584.56/9,696.28
  6. Step 6: Final answer
    x = 4,680.52

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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.