Home / 8,045.54-12,072.85-6,285.62

Finding the Fourth Proportional to 8,045.54, 12,072.85 and 6,285.62

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Solution

The fourth proportional to 8,045.54, 12,072.85 and 6,285.62 is: 9,431.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.54 : 12,072.85 = 6,285.62 : x
  2. Step 2: Convert to fraction form
    8,045.54/12,072.85 = 6,285.62/x
  3. Step 3: Cross multiply
    8,045.54x = 12,072.85 × 6,285.62
  4. Step 4: Simplify right side
    8,045.54x = 75,885,293.98
  5. Step 5: Solve for x
    x = 75,885,293.98/8,045.54
  6. Step 6: Final answer
    x = 9,431.97

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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.