Home / 11,448.46-15,879.70-11,144.98

Finding the Fourth Proportional to 11,448.46, 15,879.70 and 11,144.98

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Solution

The fourth proportional to 11,448.46, 15,879.70 and 11,144.98 is: 15,458.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,448.46 : 15,879.70 = 11,144.98 : x
  2. Step 2: Convert to fraction form
    11,448.46/15,879.70 = 11,144.98/x
  3. Step 3: Cross multiply
    11,448.46x = 15,879.70 × 11,144.98
  4. Step 4: Simplify right side
    11,448.46x = 176,978,938.91
  5. Step 5: Solve for x
    x = 176,978,938.91/11,448.46
  6. Step 6: Final answer
    x = 15,458.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.