Home / 6,940.16-10,411.36-3,042.48

Finding the Fourth Proportional to 6,940.16, 10,411.36 and 3,042.48

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Solution

The fourth proportional to 6,940.16, 10,411.36 and 3,042.48 is: 4,564.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940.16 : 10,411.36 = 3,042.48 : x
  2. Step 2: Convert to fraction form
    6,940.16/10,411.36 = 3,042.48/x
  3. Step 3: Cross multiply
    6,940.16x = 10,411.36 × 3,042.48
  4. Step 4: Simplify right side
    6,940.16x = 31,676,354.57
  5. Step 5: Solve for x
    x = 31,676,354.57/6,940.16
  6. Step 6: Final answer
    x = 4,564.21

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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.