Home / 6,122.45-9,181.55-2,612.32

Finding the Fourth Proportional to 6,122.45, 9,181.55 and 2,612.32

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Solution

The fourth proportional to 6,122.45, 9,181.55 and 2,612.32 is: 3,917.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.45 : 9,181.55 = 2,612.32 : x
  2. Step 2: Convert to fraction form
    6,122.45/9,181.55 = 2,612.32/x
  3. Step 3: Cross multiply
    6,122.45x = 9,181.55 × 2,612.32
  4. Step 4: Simplify right side
    6,122.45x = 23,985,130.27
  5. Step 5: Solve for x
    x = 23,985,130.27/6,122.45
  6. Step 6: Final answer
    x = 3,917.57

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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.