Home / 11,236.26-15,499.50-7,201.65

Finding the Fourth Proportional to 11,236.26, 15,499.50 and 7,201.65

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Solution

The fourth proportional to 11,236.26, 15,499.50 and 7,201.65 is: 9,934.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236.26 : 15,499.50 = 7,201.65 : x
  2. Step 2: Convert to fraction form
    11,236.26/15,499.50 = 7,201.65/x
  3. Step 3: Cross multiply
    11,236.26x = 15,499.50 × 7,201.65
  4. Step 4: Simplify right side
    11,236.26x = 111,621,989.33
  5. Step 5: Solve for x
    x = 111,621,989.33/11,236.26
  6. Step 6: Final answer
    x = 9,934.08

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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.