Home / 11,550.92-15,940.26-6,245.74

Finding the Fourth Proportional to 11,550.92, 15,940.26 and 6,245.74

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Solution

The fourth proportional to 11,550.92, 15,940.26 and 6,245.74 is: 8,619.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.92 : 15,940.26 = 6,245.74 : x
  2. Step 2: Convert to fraction form
    11,550.92/15,940.26 = 6,245.74/x
  3. Step 3: Cross multiply
    11,550.92x = 15,940.26 × 6,245.74
  4. Step 4: Simplify right side
    11,550.92x = 99,558,719.49
  5. Step 5: Solve for x
    x = 99,558,719.49/11,550.92
  6. Step 6: Final answer
    x = 8,619.12

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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.