Home / 11,404.48-15,731.09-6,923.86

Finding the Fourth Proportional to 11,404.48, 15,731.09 and 6,923.86

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Solution

The fourth proportional to 11,404.48, 15,731.09 and 6,923.86 is: 9,550.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,404.48 : 15,731.09 = 6,923.86 : x
  2. Step 2: Convert to fraction form
    11,404.48/15,731.09 = 6,923.86/x
  3. Step 3: Cross multiply
    11,404.48x = 15,731.09 × 6,923.86
  4. Step 4: Simplify right side
    11,404.48x = 108,919,830.19
  5. Step 5: Solve for x
    x = 108,919,830.19/11,404.48
  6. Step 6: Final answer
    x = 9,550.62

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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.