Home / 9,141.92-13,717.14-4,976.98

Finding the Fourth Proportional to 9,141.92, 13,717.14 and 4,976.98

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Solution

The fourth proportional to 9,141.92, 13,717.14 and 4,976.98 is: 7,467.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141.92 : 13,717.14 = 4,976.98 : x
  2. Step 2: Convert to fraction form
    9,141.92/13,717.14 = 4,976.98/x
  3. Step 3: Cross multiply
    9,141.92x = 13,717.14 × 4,976.98
  4. Step 4: Simplify right side
    9,141.92x = 68,269,931.44
  5. Step 5: Solve for x
    x = 68,269,931.44/9,141.92
  6. Step 6: Final answer
    x = 7,467.79

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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.