Home / 9,057.42-13,587.49-3,212.66

Finding the Fourth Proportional to 9,057.42, 13,587.49 and 3,212.66

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Solution

The fourth proportional to 9,057.42, 13,587.49 and 3,212.66 is: 4,819.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,057.42 : 13,587.49 = 3,212.66 : x
  2. Step 2: Convert to fraction form
    9,057.42/13,587.49 = 3,212.66/x
  3. Step 3: Cross multiply
    9,057.42x = 13,587.49 × 3,212.66
  4. Step 4: Simplify right side
    9,057.42x = 43,651,917.69
  5. Step 5: Solve for x
    x = 43,651,917.69/9,057.42
  6. Step 6: Final answer
    x = 4,819.47

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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.