Home / 11,224.92-15,486.78-6,750.36

Finding the Fourth Proportional to 11,224.92, 15,486.78 and 6,750.36

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Solution

The fourth proportional to 11,224.92, 15,486.78 and 6,750.36 is: 9,313.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.92 : 15,486.78 = 6,750.36 : x
  2. Step 2: Convert to fraction form
    11,224.92/15,486.78 = 6,750.36/x
  3. Step 3: Cross multiply
    11,224.92x = 15,486.78 × 6,750.36
  4. Step 4: Simplify right side
    11,224.92x = 104,541,340.24
  5. Step 5: Solve for x
    x = 104,541,340.24/11,224.92
  6. Step 6: Final answer
    x = 9,313.33

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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.