Home / 11,201.37-15,431.06-9,602.97

Finding the Fourth Proportional to 11,201.37, 15,431.06 and 9,602.97

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Solution

The fourth proportional to 11,201.37, 15,431.06 and 9,602.97 is: 13,229.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,201.37 : 15,431.06 = 9,602.97 : x
  2. Step 2: Convert to fraction form
    11,201.37/15,431.06 = 9,602.97/x
  3. Step 3: Cross multiply
    11,201.37x = 15,431.06 × 9,602.97
  4. Step 4: Simplify right side
    11,201.37x = 148,184,006.25
  5. Step 5: Solve for x
    x = 148,184,006.25/11,201.37
  6. Step 6: Final answer
    x = 13,229.10

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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.