Home / 11,021.75-15,209.97-5,985.93

Finding the Fourth Proportional to 11,021.75, 15,209.97 and 5,985.93

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Solution

The fourth proportional to 11,021.75, 15,209.97 and 5,985.93 is: 8,260.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.75 : 15,209.97 = 5,985.93 : x
  2. Step 2: Convert to fraction form
    11,021.75/15,209.97 = 5,985.93/x
  3. Step 3: Cross multiply
    11,021.75x = 15,209.97 × 5,985.93
  4. Step 4: Simplify right side
    11,021.75x = 91,045,850.31
  5. Step 5: Solve for x
    x = 91,045,850.31/11,021.75
  6. Step 6: Final answer
    x = 8,260.56

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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.