Home / 13,036.10-17,989.79-7,067.75

Finding the Fourth Proportional to 13,036.10, 17,989.79 and 7,067.75

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Solution

The fourth proportional to 13,036.10, 17,989.79 and 7,067.75 is: 9,753.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,036.10 : 17,989.79 = 7,067.75 : x
  2. Step 2: Convert to fraction form
    13,036.10/17,989.79 = 7,067.75/x
  3. Step 3: Cross multiply
    13,036.10x = 17,989.79 × 7,067.75
  4. Step 4: Simplify right side
    13,036.10x = 127,147,212.98
  5. Step 5: Solve for x
    x = 127,147,212.98/13,036.10
  6. Step 6: Final answer
    x = 9,753.47

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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.