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Finding the Fourth Proportional to 12,401.41, 17,113.93 and 6,812.41

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Solution

The fourth proportional to 12,401.41, 17,113.93 and 6,812.41 is: 9,401.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,401.41 : 17,113.93 = 6,812.41 : x
  2. Step 2: Convert to fraction form
    12,401.41/17,113.93 = 6,812.41/x
  3. Step 3: Cross multiply
    12,401.41x = 17,113.93 × 6,812.41
  4. Step 4: Simplify right side
    12,401.41x = 116,587,107.87
  5. Step 5: Solve for x
    x = 116,587,107.87/12,401.41
  6. Step 6: Final answer
    x = 9,401.12

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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.