Home / 6,860.60-9,467.63-3,716.79

Finding the Fourth Proportional to 6,860.60, 9,467.63 and 3,716.79

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Solution

The fourth proportional to 6,860.60, 9,467.63 and 3,716.79 is: 5,129.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.60 : 9,467.63 = 3,716.79 : x
  2. Step 2: Convert to fraction form
    6,860.60/9,467.63 = 3,716.79/x
  3. Step 3: Cross multiply
    6,860.60x = 9,467.63 × 3,716.79
  4. Step 4: Simplify right side
    6,860.60x = 35,189,213.63
  5. Step 5: Solve for x
    x = 35,189,213.63/6,860.60
  6. Step 6: Final answer
    x = 5,129.17

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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.