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Finding the Fourth Proportional to 10,640.94, 14,683.93 and 6,103.39

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Solution

The fourth proportional to 10,640.94, 14,683.93 and 6,103.39 is: 8,422.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640.94 : 14,683.93 = 6,103.39 : x
  2. Step 2: Convert to fraction form
    10,640.94/14,683.93 = 6,103.39/x
  3. Step 3: Cross multiply
    10,640.94x = 14,683.93 × 6,103.39
  4. Step 4: Simplify right side
    10,640.94x = 89,621,766.78
  5. Step 5: Solve for x
    x = 89,621,766.78/10,640.94
  6. Step 6: Final answer
    x = 8,422.35

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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.