Home / 9,183.15-13,779.90-3,917.57

Finding the Fourth Proportional to 9,183.15, 13,779.90 and 3,917.57

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Solution

The fourth proportional to 9,183.15, 13,779.90 and 3,917.57 is: 5,878.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,183.15 : 13,779.90 = 3,917.57 : x
  2. Step 2: Convert to fraction form
    9,183.15/13,779.90 = 3,917.57/x
  3. Step 3: Cross multiply
    9,183.15x = 13,779.90 × 3,917.57
  4. Step 4: Simplify right side
    9,183.15x = 53,983,653.94
  5. Step 5: Solve for x
    x = 53,983,653.94/9,183.15
  6. Step 6: Final answer
    x = 5,878.56

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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.