Home / 11,919.33-16,448.99-6,542.01

Finding the Fourth Proportional to 11,919.33, 16,448.99 and 6,542.01

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Solution

The fourth proportional to 11,919.33, 16,448.99 and 6,542.01 is: 9,028.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,919.33 : 16,448.99 = 6,542.01 : x
  2. Step 2: Convert to fraction form
    11,919.33/16,448.99 = 6,542.01/x
  3. Step 3: Cross multiply
    11,919.33x = 16,448.99 × 6,542.01
  4. Step 4: Simplify right side
    11,919.33x = 107,609,424.36
  5. Step 5: Solve for x
    x = 107,609,424.36/11,919.33
  6. Step 6: Final answer
    x = 9,028.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.