Home / 7,486.06-11,229.12-1,939.01

Finding the Fourth Proportional to 7,486.06, 11,229.12 and 1,939.01

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Solution

The fourth proportional to 7,486.06, 11,229.12 and 1,939.01 is: 2,908.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.06 : 11,229.12 = 1,939.01 : x
  2. Step 2: Convert to fraction form
    7,486.06/11,229.12 = 1,939.01/x
  3. Step 3: Cross multiply
    7,486.06x = 11,229.12 × 1,939.01
  4. Step 4: Simplify right side
    7,486.06x = 21,773,361.93
  5. Step 5: Solve for x
    x = 21,773,361.93/7,486.06
  6. Step 6: Final answer
    x = 2,908.52

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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.