Home / 6,961.14-10,427.80-4,186.32

Finding the Fourth Proportional to 6,961.14, 10,427.80 and 4,186.32

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Solution

The fourth proportional to 6,961.14, 10,427.80 and 4,186.32 is: 6,271.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961.14 : 10,427.80 = 4,186.32 : x
  2. Step 2: Convert to fraction form
    6,961.14/10,427.80 = 4,186.32/x
  3. Step 3: Cross multiply
    6,961.14x = 10,427.80 × 4,186.32
  4. Step 4: Simplify right side
    6,961.14x = 43,654,107.70
  5. Step 5: Solve for x
    x = 43,654,107.70/6,961.14
  6. Step 6: Final answer
    x = 6,271.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.