Home / 9,186.54-13,782.13-2,612.73

Finding the Fourth Proportional to 9,186.54, 13,782.13 and 2,612.73

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Solution

The fourth proportional to 9,186.54, 13,782.13 and 2,612.73 is: 3,919.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.54 : 13,782.13 = 2,612.73 : x
  2. Step 2: Convert to fraction form
    9,186.54/13,782.13 = 2,612.73/x
  3. Step 3: Cross multiply
    9,186.54x = 13,782.13 × 2,612.73
  4. Step 4: Simplify right side
    9,186.54x = 36,008,984.51
  5. Step 5: Solve for x
    x = 36,008,984.51/9,186.54
  6. Step 6: Final answer
    x = 3,919.75

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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.