Home / 11,211.14-16,815.54-4,971.26

Finding the Fourth Proportional to 11,211.14, 16,815.54 and 4,971.26

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Solution

The fourth proportional to 11,211.14, 16,815.54 and 4,971.26 is: 7,456.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.14 : 16,815.54 = 4,971.26 : x
  2. Step 2: Convert to fraction form
    11,211.14/16,815.54 = 4,971.26/x
  3. Step 3: Cross multiply
    11,211.14x = 16,815.54 × 4,971.26
  4. Step 4: Simplify right side
    11,211.14x = 83,594,421.38
  5. Step 5: Solve for x
    x = 83,594,421.38/11,211.14
  6. Step 6: Final answer
    x = 7,456.37

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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.