Home / 6,556.14-9,830.52-2,172.42

Finding the Fourth Proportional to 6,556.14, 9,830.52 and 2,172.42

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Solution

The fourth proportional to 6,556.14, 9,830.52 and 2,172.42 is: 3,257.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,556.14 : 9,830.52 = 2,172.42 : x
  2. Step 2: Convert to fraction form
    6,556.14/9,830.52 = 2,172.42/x
  3. Step 3: Cross multiply
    6,556.14x = 9,830.52 × 2,172.42
  4. Step 4: Simplify right side
    6,556.14x = 21,356,018.26
  5. Step 5: Solve for x
    x = 21,356,018.26/6,556.14
  6. Step 6: Final answer
    x = 3,257.41

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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.