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Finding the Fourth Proportional to 9,166.94, 12,650.39 and 4,975.19

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Solution

The fourth proportional to 9,166.94, 12,650.39 and 4,975.19 is: 6,865.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,166.94 : 12,650.39 = 4,975.19 : x
  2. Step 2: Convert to fraction form
    9,166.94/12,650.39 = 4,975.19/x
  3. Step 3: Cross multiply
    9,166.94x = 12,650.39 × 4,975.19
  4. Step 4: Simplify right side
    9,166.94x = 62,938,093.82
  5. Step 5: Solve for x
    x = 62,938,093.82/9,166.94
  6. Step 6: Final answer
    x = 6,865.77

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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.