Home / 10,961.94-15,127.44-6,246.26

Finding the Fourth Proportional to 10,961.94, 15,127.44 and 6,246.26

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Solution

The fourth proportional to 10,961.94, 15,127.44 and 6,246.26 is: 8,619.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.94 : 15,127.44 = 6,246.26 : x
  2. Step 2: Convert to fraction form
    10,961.94/15,127.44 = 6,246.26/x
  3. Step 3: Cross multiply
    10,961.94x = 15,127.44 × 6,246.26
  4. Step 4: Simplify right side
    10,961.94x = 94,489,847.74
  5. Step 5: Solve for x
    x = 94,489,847.74/10,961.94
  6. Step 6: Final answer
    x = 8,619.81

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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.