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Finding the Fourth Proportional to 12,424.94, 17,146.45 and 6,835.94

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Solution

The fourth proportional to 12,424.94, 17,146.45 and 6,835.94 is: 9,433.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424.94 : 17,146.45 = 6,835.94 : x
  2. Step 2: Convert to fraction form
    12,424.94/17,146.45 = 6,835.94/x
  3. Step 3: Cross multiply
    12,424.94x = 17,146.45 × 6,835.94
  4. Step 4: Simplify right side
    12,424.94x = 117,212,103.41
  5. Step 5: Solve for x
    x = 117,212,103.41/12,424.94
  6. Step 6: Final answer
    x = 9,433.62

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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.