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Finding the Fourth Proportional to 12,335.62, 17,022.12 and 6,959.38

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Solution

The fourth proportional to 12,335.62, 17,022.12 and 6,959.38 is: 9,603.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.62 : 17,022.12 = 6,959.38 : x
  2. Step 2: Convert to fraction form
    12,335.62/17,022.12 = 6,959.38/x
  3. Step 3: Cross multiply
    12,335.62x = 17,022.12 × 6,959.38
  4. Step 4: Simplify right side
    12,335.62x = 118,463,401.49
  5. Step 5: Solve for x
    x = 118,463,401.49/12,335.62
  6. Step 6: Final answer
    x = 9,603.36

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1.5x scale

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.