Home / 9,021.38-13,531.65-2,357.89

Finding the Fourth Proportional to 9,021.38, 13,531.65 and 2,357.89

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Solution

The fourth proportional to 9,021.38, 13,531.65 and 2,357.89 is: 3,536.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.38 : 13,531.65 = 2,357.89 : x
  2. Step 2: Convert to fraction form
    9,021.38/13,531.65 = 2,357.89/x
  3. Step 3: Cross multiply
    9,021.38x = 13,531.65 × 2,357.89
  4. Step 4: Simplify right side
    9,021.38x = 31,906,142.22
  5. Step 5: Solve for x
    x = 31,906,142.22/9,021.38
  6. Step 6: Final answer
    x = 3,536.73

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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.