Home / 11,022.45-15,211.11-5,986.68

Finding the Fourth Proportional to 11,022.45, 15,211.11 and 5,986.68

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Solution

The fourth proportional to 11,022.45, 15,211.11 and 5,986.68 is: 8,261.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.45 : 15,211.11 = 5,986.68 : x
  2. Step 2: Convert to fraction form
    11,022.45/15,211.11 = 5,986.68/x
  3. Step 3: Cross multiply
    11,022.45x = 15,211.11 × 5,986.68
  4. Step 4: Simplify right side
    11,022.45x = 91,064,048.01
  5. Step 5: Solve for x
    x = 91,064,048.01/11,022.45
  6. Step 6: Final answer
    x = 8,261.69

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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.