Home / 8,361.11-12,541.77-3,977.66

Finding the Fourth Proportional to 8,361.11, 12,541.77 and 3,977.66

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Solution

The fourth proportional to 8,361.11, 12,541.77 and 3,977.66 is: 5,966.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361.11 : 12,541.77 = 3,977.66 : x
  2. Step 2: Convert to fraction form
    8,361.11/12,541.77 = 3,977.66/x
  3. Step 3: Cross multiply
    8,361.11x = 12,541.77 × 3,977.66
  4. Step 4: Simplify right side
    8,361.11x = 49,886,896.86
  5. Step 5: Solve for x
    x = 49,886,896.86/8,361.11
  6. Step 6: Final answer
    x = 5,966.54

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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.