Home / 6,837.12-10,255.77-1,906.64

Finding the Fourth Proportional to 6,837.12, 10,255.77 and 1,906.64

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Solution

The fourth proportional to 6,837.12, 10,255.77 and 1,906.64 is: 2,859.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,837.12 : 10,255.77 = 1,906.64 : x
  2. Step 2: Convert to fraction form
    6,837.12/10,255.77 = 1,906.64/x
  3. Step 3: Cross multiply
    6,837.12x = 10,255.77 × 1,906.64
  4. Step 4: Simplify right side
    6,837.12x = 19,554,061.31
  5. Step 5: Solve for x
    x = 19,554,061.31/6,837.12
  6. Step 6: Final answer
    x = 2,859.99

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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.