Home / 6,961.69-10,442.40-1,696.72

Finding the Fourth Proportional to 6,961.69, 10,442.40 and 1,696.72

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Solution

The fourth proportional to 6,961.69, 10,442.40 and 1,696.72 is: 2,545.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961.69 : 10,442.40 = 1,696.72 : x
  2. Step 2: Convert to fraction form
    6,961.69/10,442.40 = 1,696.72/x
  3. Step 3: Cross multiply
    6,961.69x = 10,442.40 × 1,696.72
  4. Step 4: Simplify right side
    6,961.69x = 17,717,828.93
  5. Step 5: Solve for x
    x = 17,717,828.93/6,961.69
  6. Step 6: Final answer
    x = 2,545.05

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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.