Home / 11,775.57-16,243.07-6,992.26

Finding the Fourth Proportional to 11,775.57, 16,243.07 and 6,992.26

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Solution

The fourth proportional to 11,775.57, 16,243.07 and 6,992.26 is: 9,645.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.57 : 16,243.07 = 6,992.26 : x
  2. Step 2: Convert to fraction form
    11,775.57/16,243.07 = 6,992.26/x
  3. Step 3: Cross multiply
    11,775.57x = 16,243.07 × 6,992.26
  4. Step 4: Simplify right side
    11,775.57x = 113,575,733.68
  5. Step 5: Solve for x
    x = 113,575,733.68/11,775.57
  6. Step 6: Final answer
    x = 9,645.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.