Home / 13,067.29-18,033.05-7,099.07

Finding the Fourth Proportional to 13,067.29, 18,033.05 and 7,099.07

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Solution

The fourth proportional to 13,067.29, 18,033.05 and 7,099.07 is: 9,796.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067.29 : 18,033.05 = 7,099.07 : x
  2. Step 2: Convert to fraction form
    13,067.29/18,033.05 = 7,099.07/x
  3. Step 3: Cross multiply
    13,067.29x = 18,033.05 × 7,099.07
  4. Step 4: Simplify right side
    13,067.29x = 128,017,884.26
  5. Step 5: Solve for x
    x = 128,017,884.26/13,067.29
  6. Step 6: Final answer
    x = 9,796.82

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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.