Home / 9,274.58-13,917.54-5,112.80

Finding the Fourth Proportional to 9,274.58, 13,917.54 and 5,112.80

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Solution

The fourth proportional to 9,274.58, 13,917.54 and 5,112.80 is: 7,672.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,274.58 : 13,917.54 = 5,112.80 : x
  2. Step 2: Convert to fraction form
    9,274.58/13,917.54 = 5,112.80/x
  3. Step 3: Cross multiply
    9,274.58x = 13,917.54 × 5,112.80
  4. Step 4: Simplify right side
    9,274.58x = 71,157,598.51
  5. Step 5: Solve for x
    x = 71,157,598.51/9,274.58
  6. Step 6: Final answer
    x = 7,672.33

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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.