Home / 12,348.64-17,042.16-6,760

Finding the Fourth Proportional to 12,348.64, 17,042.16 and 6,760

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Solution

The fourth proportional to 12,348.64, 17,042.16 and 6,760 is: 9,329.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.64 : 17,042.16 = 6,760 : x
  2. Step 2: Convert to fraction form
    12,348.64/17,042.16 = 6,760/x
  3. Step 3: Cross multiply
    12,348.64x = 17,042.16 × 6,760
  4. Step 4: Simplify right side
    12,348.64x = 115,205,001.60
  5. Step 5: Solve for x
    x = 115,205,001.60/12,348.64
  6. Step 6: Final answer
    x = 9,329.37

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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.