Home / 6,860.89-9,467.53-4,028.38

Finding the Fourth Proportional to 6,860.89, 9,467.53 and 4,028.38

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Solution

The fourth proportional to 6,860.89, 9,467.53 and 4,028.38 is: 5,558.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.89 : 9,467.53 = 4,028.38 : x
  2. Step 2: Convert to fraction form
    6,860.89/9,467.53 = 4,028.38/x
  3. Step 3: Cross multiply
    6,860.89x = 9,467.53 × 4,028.38
  4. Step 4: Simplify right side
    6,860.89x = 38,138,741.02
  5. Step 5: Solve for x
    x = 38,138,741.02/6,860.89
  6. Step 6: Final answer
    x = 5,558.87

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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.