Home / 11,029.05-15,216.09-7,052.36

Finding the Fourth Proportional to 11,029.05, 15,216.09 and 7,052.36

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Solution

The fourth proportional to 11,029.05, 15,216.09 and 7,052.36 is: 9,729.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029.05 : 15,216.09 = 7,052.36 : x
  2. Step 2: Convert to fraction form
    11,029.05/15,216.09 = 7,052.36/x
  3. Step 3: Cross multiply
    11,029.05x = 15,216.09 × 7,052.36
  4. Step 4: Simplify right side
    11,029.05x = 107,309,268.39
  5. Step 5: Solve for x
    x = 107,309,268.39/11,029.05
  6. Step 6: Final answer
    x = 9,729.69

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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.