Home / 9,258.44-12,787.58-6,269.09

Finding the Fourth Proportional to 9,258.44, 12,787.58 and 6,269.09

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Solution

The fourth proportional to 9,258.44, 12,787.58 and 6,269.09 is: 8,658.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258.44 : 12,787.58 = 6,269.09 : x
  2. Step 2: Convert to fraction form
    9,258.44/12,787.58 = 6,269.09/x
  3. Step 3: Cross multiply
    9,258.44x = 12,787.58 × 6,269.09
  4. Step 4: Simplify right side
    9,258.44x = 80,166,458.56
  5. Step 5: Solve for x
    x = 80,166,458.56/9,258.44
  6. Step 6: Final answer
    x = 8,658.74

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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.