Home / 10,936.14-15,091.68-6,220.32

Finding the Fourth Proportional to 10,936.14, 15,091.68 and 6,220.32

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Solution

The fourth proportional to 10,936.14, 15,091.68 and 6,220.32 is: 8,583.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,936.14 : 15,091.68 = 6,220.32 : x
  2. Step 2: Convert to fraction form
    10,936.14/15,091.68 = 6,220.32/x
  3. Step 3: Cross multiply
    10,936.14x = 15,091.68 × 6,220.32
  4. Step 4: Simplify right side
    10,936.14x = 93,875,078.94
  5. Step 5: Solve for x
    x = 93,875,078.94/10,936.14
  6. Step 6: Final answer
    x = 8,583.93

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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.