Home / 7,975.12-11,963.16-3,358.48

Finding the Fourth Proportional to 7,975.12, 11,963.16 and 3,358.48

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Solution

The fourth proportional to 7,975.12, 11,963.16 and 3,358.48 is: 5,037.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.12 : 11,963.16 = 3,358.48 : x
  2. Step 2: Convert to fraction form
    7,975.12/11,963.16 = 3,358.48/x
  3. Step 3: Cross multiply
    7,975.12x = 11,963.16 × 3,358.48
  4. Step 4: Simplify right side
    7,975.12x = 40,178,033.60
  5. Step 5: Solve for x
    x = 40,178,033.60/7,975.12
  6. Step 6: Final answer
    x = 5,037.92

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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.