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Finding the Fourth Proportional to 8,893.94, 12,274.56 and 5,117.25

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Solution

The fourth proportional to 8,893.94, 12,274.56 and 5,117.25 is: 7,062.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.94 : 12,274.56 = 5,117.25 : x
  2. Step 2: Convert to fraction form
    8,893.94/12,274.56 = 5,117.25/x
  3. Step 3: Cross multiply
    8,893.94x = 12,274.56 × 5,117.25
  4. Step 4: Simplify right side
    8,893.94x = 62,811,966.57
  5. Step 5: Solve for x
    x = 62,811,966.57/8,893.94
  6. Step 6: Final answer
    x = 7,062.33

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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.