Home / 12,734.84-19,079.66-5,322.96

Finding the Fourth Proportional to 12,734.84, 19,079.66 and 5,322.96

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Solution

The fourth proportional to 12,734.84, 19,079.66 and 5,322.96 is: 7,974.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,734.84 : 19,079.66 = 5,322.96 : x
  2. Step 2: Convert to fraction form
    12,734.84/19,079.66 = 5,322.96/x
  3. Step 3: Cross multiply
    12,734.84x = 19,079.66 × 5,322.96
  4. Step 4: Simplify right side
    12,734.84x = 101,560,266.99
  5. Step 5: Solve for x
    x = 101,560,266.99/12,734.84
  6. Step 6: Final answer
    x = 7,974.99

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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.