Home / 8,070.73-12,107.25-3,907.32

Finding the Fourth Proportional to 8,070.73, 12,107.25 and 3,907.32

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Solution

The fourth proportional to 8,070.73, 12,107.25 and 3,907.32 is: 5,861.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.73 : 12,107.25 = 3,907.32 : x
  2. Step 2: Convert to fraction form
    8,070.73/12,107.25 = 3,907.32/x
  3. Step 3: Cross multiply
    8,070.73x = 12,107.25 × 3,907.32
  4. Step 4: Simplify right side
    8,070.73x = 47,306,900.07
  5. Step 5: Solve for x
    x = 47,306,900.07/8,070.73
  6. Step 6: Final answer
    x = 5,861.54

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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.