Home / 9,431.78-14,149.49-3,587.93

Finding the Fourth Proportional to 9,431.78, 14,149.49 and 3,587.93

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Solution

The fourth proportional to 9,431.78, 14,149.49 and 3,587.93 is: 5,382.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.78 : 14,149.49 = 3,587.93 : x
  2. Step 2: Convert to fraction form
    9,431.78/14,149.49 = 3,587.93/x
  3. Step 3: Cross multiply
    9,431.78x = 14,149.49 × 3,587.93
  4. Step 4: Simplify right side
    9,431.78x = 50,767,379.66
  5. Step 5: Solve for x
    x = 50,767,379.66/9,431.78
  6. Step 6: Final answer
    x = 5,382.59

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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.