Home / 11,549.82-15,940.26-6,515.63

Finding the Fourth Proportional to 11,549.82, 15,940.26 and 6,515.63

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Solution

The fourth proportional to 11,549.82, 15,940.26 and 6,515.63 is: 8,992.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,549.82 : 15,940.26 = 6,515.63 : x
  2. Step 2: Convert to fraction form
    11,549.82/15,940.26 = 6,515.63/x
  3. Step 3: Cross multiply
    11,549.82x = 15,940.26 × 6,515.63
  4. Step 4: Simplify right side
    11,549.82x = 103,860,756.56
  5. Step 5: Solve for x
    x = 103,860,756.56/11,549.82
  6. Step 6: Final answer
    x = 8,992.41

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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.