Home / 13,067.08-18,032.92-7,099.12

Finding the Fourth Proportional to 13,067.08, 18,032.92 and 7,099.12

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Solution

The fourth proportional to 13,067.08, 18,032.92 and 7,099.12 is: 9,796.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067.08 : 18,032.92 = 7,099.12 : x
  2. Step 2: Convert to fraction form
    13,067.08/18,032.92 = 7,099.12/x
  3. Step 3: Cross multiply
    13,067.08x = 18,032.92 × 7,099.12
  4. Step 4: Simplify right side
    13,067.08x = 128,017,863.03
  5. Step 5: Solve for x
    x = 128,017,863.03/13,067.08
  6. Step 6: Final answer
    x = 9,796.98

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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.