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Finding the Fourth Proportional to 8,503.98, 11,734.62 and 4,966.74

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Solution

The fourth proportional to 8,503.98, 11,734.62 and 4,966.74 is: 6,853.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503.98 : 11,734.62 = 4,966.74 : x
  2. Step 2: Convert to fraction form
    8,503.98/11,734.62 = 4,966.74/x
  3. Step 3: Cross multiply
    8,503.98x = 11,734.62 × 4,966.74
  4. Step 4: Simplify right side
    8,503.98x = 58,282,806.54
  5. Step 5: Solve for x
    x = 58,282,806.54/8,503.98
  6. Step 6: Final answer
    x = 6,853.59

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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.