Home / 11,054.98-15,235.56-10,353.54

Finding the Fourth Proportional to 11,054.98, 15,235.56 and 10,353.54

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Solution

The fourth proportional to 11,054.98, 15,235.56 and 10,353.54 is: 14,268.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.98 : 15,235.56 = 10,353.54 : x
  2. Step 2: Convert to fraction form
    11,054.98/15,235.56 = 10,353.54/x
  3. Step 3: Cross multiply
    11,054.98x = 15,235.56 × 10,353.54
  4. Step 4: Simplify right side
    11,054.98x = 157,741,979.88
  5. Step 5: Solve for x
    x = 157,741,979.88/11,054.98
  6. Step 6: Final answer
    x = 14,268.86

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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.