Home / 11,185.52-15,455.48-9,194.56

Finding the Fourth Proportional to 11,185.52, 15,455.48 and 9,194.56

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Solution

The fourth proportional to 11,185.52, 15,455.48 and 9,194.56 is: 12,704.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.52 : 15,455.48 = 9,194.56 : x
  2. Step 2: Convert to fraction form
    11,185.52/15,455.48 = 9,194.56/x
  3. Step 3: Cross multiply
    11,185.52x = 15,455.48 × 9,194.56
  4. Step 4: Simplify right side
    11,185.52x = 142,106,338.19
  5. Step 5: Solve for x
    x = 142,106,338.19/11,185.52
  6. Step 6: Final answer
    x = 12,704.49

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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.