Home / 11,933.36-16,467.75-6,628.13

Finding the Fourth Proportional to 11,933.36, 16,467.75 and 6,628.13

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Solution

The fourth proportional to 11,933.36, 16,467.75 and 6,628.13 is: 9,146.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,933.36 : 16,467.75 = 6,628.13 : x
  2. Step 2: Convert to fraction form
    11,933.36/16,467.75 = 6,628.13/x
  3. Step 3: Cross multiply
    11,933.36x = 16,467.75 × 6,628.13
  4. Step 4: Simplify right side
    11,933.36x = 109,150,387.81
  5. Step 5: Solve for x
    x = 109,150,387.81/11,933.36
  6. Step 6: Final answer
    x = 9,146.66

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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.