Home / 11,022.80-15,211.41-5,986.98

Finding the Fourth Proportional to 11,022.80, 15,211.41 and 5,986.98

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Solution

The fourth proportional to 11,022.80, 15,211.41 and 5,986.98 is: 8,262.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.80 : 15,211.41 = 5,986.98 : x
  2. Step 2: Convert to fraction form
    11,022.80/15,211.41 = 5,986.98/x
  3. Step 3: Cross multiply
    11,022.80x = 15,211.41 × 5,986.98
  4. Step 4: Simplify right side
    11,022.80x = 91,070,407.44
  5. Step 5: Solve for x
    x = 91,070,407.44/11,022.80
  6. Step 6: Final answer
    x = 8,262.00

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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.