Home / 6,896.82-9,515.16-4,206.96

Finding the Fourth Proportional to 6,896.82, 9,515.16 and 4,206.96

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Solution

The fourth proportional to 6,896.82, 9,515.16 and 4,206.96 is: 5,804.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,896.82 : 9,515.16 = 4,206.96 : x
  2. Step 2: Convert to fraction form
    6,896.82/9,515.16 = 4,206.96/x
  3. Step 3: Cross multiply
    6,896.82x = 9,515.16 × 4,206.96
  4. Step 4: Simplify right side
    6,896.82x = 40,029,897.51
  5. Step 5: Solve for x
    x = 40,029,897.51/6,896.82
  6. Step 6: Final answer
    x = 5,804.11

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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.