Home / 8,074.97-12,111.07-2,231.59

Finding the Fourth Proportional to 8,074.97, 12,111.07 and 2,231.59

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Solution

The fourth proportional to 8,074.97, 12,111.07 and 2,231.59 is: 3,347.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.97 : 12,111.07 = 2,231.59 : x
  2. Step 2: Convert to fraction form
    8,074.97/12,111.07 = 2,231.59/x
  3. Step 3: Cross multiply
    8,074.97x = 12,111.07 × 2,231.59
  4. Step 4: Simplify right side
    8,074.97x = 27,026,870.99
  5. Step 5: Solve for x
    x = 27,026,870.99/8,074.97
  6. Step 6: Final answer
    x = 3,347.00

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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.