Home / 11,571.80-15,968.90-6,266.57

Finding the Fourth Proportional to 11,571.80, 15,968.90 and 6,266.57

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Solution

The fourth proportional to 11,571.80, 15,968.90 and 6,266.57 is: 8,647.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,571.80 : 15,968.90 = 6,266.57 : x
  2. Step 2: Convert to fraction form
    11,571.80/15,968.90 = 6,266.57/x
  3. Step 3: Cross multiply
    11,571.80x = 15,968.90 × 6,266.57
  4. Step 4: Simplify right side
    11,571.80x = 100,070,198.34
  5. Step 5: Solve for x
    x = 100,070,198.34/11,571.80
  6. Step 6: Final answer
    x = 8,647.76

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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.