Home / 28,917.71-43,376.57-9,196.27

Finding the Fourth Proportional to 28,917.71, 43,376.57 and 9,196.27

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Solution

The fourth proportional to 28,917.71, 43,376.57 and 9,196.27 is: 13,794.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,917.71 : 43,376.57 = 9,196.27 : x
  2. Step 2: Convert to fraction form
    28,917.71/43,376.57 = 9,196.27/x
  3. Step 3: Cross multiply
    28,917.71x = 43,376.57 × 9,196.27
  4. Step 4: Simplify right side
    28,917.71x = 398,902,649.39
  5. Step 5: Solve for x
    x = 398,902,649.39/28,917.71
  6. Step 6: Final answer
    x = 13,794.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.