Home / 8,233.95-12,351.74-2,687.07

Finding the Fourth Proportional to 8,233.95, 12,351.74 and 2,687.07

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Solution

The fourth proportional to 8,233.95, 12,351.74 and 2,687.07 is: 4,030.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,233.95 : 12,351.74 = 2,687.07 : x
  2. Step 2: Convert to fraction form
    8,233.95/12,351.74 = 2,687.07/x
  3. Step 3: Cross multiply
    8,233.95x = 12,351.74 × 2,687.07
  4. Step 4: Simplify right side
    8,233.95x = 33,189,990.00
  5. Step 5: Solve for x
    x = 33,189,990.00/8,233.95
  6. Step 6: Final answer
    x = 4,030.87

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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.