Home / 10,967.88-15,131.73-6,249.43

Finding the Fourth Proportional to 10,967.88, 15,131.73 and 6,249.43

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Solution

The fourth proportional to 10,967.88, 15,131.73 and 6,249.43 is: 8,621.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,967.88 : 15,131.73 = 6,249.43 : x
  2. Step 2: Convert to fraction form
    10,967.88/15,131.73 = 6,249.43/x
  3. Step 3: Cross multiply
    10,967.88x = 15,131.73 × 6,249.43
  4. Step 4: Simplify right side
    10,967.88x = 94,564,687.41
  5. Step 5: Solve for x
    x = 94,564,687.41/10,967.88
  6. Step 6: Final answer
    x = 8,621.97

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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.