Home / 12,797.68-19,196.16-6,991.06

Finding the Fourth Proportional to 12,797.68, 19,196.16 and 6,991.06

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Solution

The fourth proportional to 12,797.68, 19,196.16 and 6,991.06 is: 10,486.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,797.68 : 19,196.16 = 6,991.06 : x
  2. Step 2: Convert to fraction form
    12,797.68/19,196.16 = 6,991.06/x
  3. Step 3: Cross multiply
    12,797.68x = 19,196.16 × 6,991.06
  4. Step 4: Simplify right side
    12,797.68x = 134,201,506.33
  5. Step 5: Solve for x
    x = 134,201,506.33/12,797.68
  6. Step 6: Final answer
    x = 10,486.39

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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.