Home / 9,157.68-13,736.37-2,917.59

Finding the Fourth Proportional to 9,157.68, 13,736.37 and 2,917.59

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Solution

The fourth proportional to 9,157.68, 13,736.37 and 2,917.59 is: 4,376.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157.68 : 13,736.37 = 2,917.59 : x
  2. Step 2: Convert to fraction form
    9,157.68/13,736.37 = 2,917.59/x
  3. Step 3: Cross multiply
    9,157.68x = 13,736.37 × 2,917.59
  4. Step 4: Simplify right side
    9,157.68x = 40,077,166.98
  5. Step 5: Solve for x
    x = 40,077,166.98/9,157.68
  6. Step 6: Final answer
    x = 4,376.34

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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.