Home / 11,107.24-15,326.51-7,133.73

Finding the Fourth Proportional to 11,107.24, 15,326.51 and 7,133.73

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Solution

The fourth proportional to 11,107.24, 15,326.51 and 7,133.73 is: 9,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,107.24 : 15,326.51 = 7,133.73 : x
  2. Step 2: Convert to fraction form
    11,107.24/15,326.51 = 7,133.73/x
  3. Step 3: Cross multiply
    11,107.24x = 15,326.51 × 7,133.73
  4. Step 4: Simplify right side
    11,107.24x = 109,335,148.51
  5. Step 5: Solve for x
    x = 109,335,148.51/11,107.24
  6. Step 6: Final answer
    x = 9,843.60

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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.