Home / 13,036.31-17,990.09-7,067.93

Finding the Fourth Proportional to 13,036.31, 17,990.09 and 7,067.93

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Solution

The fourth proportional to 13,036.31, 17,990.09 and 7,067.93 is: 9,753.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,036.31 : 17,990.09 = 7,067.93 : x
  2. Step 2: Convert to fraction form
    13,036.31/17,990.09 = 7,067.93/x
  3. Step 3: Cross multiply
    13,036.31x = 17,990.09 × 7,067.93
  4. Step 4: Simplify right side
    13,036.31x = 127,152,571.52
  5. Step 5: Solve for x
    x = 127,152,571.52/13,036.31
  6. Step 6: Final answer
    x = 9,753.73

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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.