Home / 7,844.03-11,709.62-6,721.36

Finding the Fourth Proportional to 7,844.03, 11,709.62 and 6,721.36

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Solution

The fourth proportional to 7,844.03, 11,709.62 and 6,721.36 is: 10,033.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.03 : 11,709.62 = 6,721.36 : x
  2. Step 2: Convert to fraction form
    7,844.03/11,709.62 = 6,721.36/x
  3. Step 3: Cross multiply
    7,844.03x = 11,709.62 × 6,721.36
  4. Step 4: Simplify right side
    7,844.03x = 78,704,508.60
  5. Step 5: Solve for x
    x = 78,704,508.60/7,844.03
  6. Step 6: Final answer
    x = 10,033.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.