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Finding the Fourth Proportional to 6,286.95, 9,412.20 and 6,104.70

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Solution

The fourth proportional to 6,286.95, 9,412.20 and 6,104.70 is: 9,139.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.95 : 9,412.20 = 6,104.70 : x
  2. Step 2: Convert to fraction form
    6,286.95/9,412.20 = 6,104.70/x
  3. Step 3: Cross multiply
    6,286.95x = 9,412.20 × 6,104.70
  4. Step 4: Simplify right side
    6,286.95x = 57,458,657.34
  5. Step 5: Solve for x
    x = 57,458,657.34/6,286.95
  6. Step 6: Final answer
    x = 9,139.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.