Home / 6,961.29-10,428.01-4,186.43

Finding the Fourth Proportional to 6,961.29, 10,428.01 and 4,186.43

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Solution

The fourth proportional to 6,961.29, 10,428.01 and 4,186.43 is: 6,271.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961.29 : 10,428.01 = 4,186.43 : x
  2. Step 2: Convert to fraction form
    6,961.29/10,428.01 = 4,186.43/x
  3. Step 3: Cross multiply
    6,961.29x = 10,428.01 × 4,186.43
  4. Step 4: Simplify right side
    6,961.29x = 43,656,110.40
  5. Step 5: Solve for x
    x = 43,656,110.40/6,961.29
  6. Step 6: Final answer
    x = 6,271.27

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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.