Home / 9,164.19-13,747.63-3,319.43

Finding the Fourth Proportional to 9,164.19, 13,747.63 and 3,319.43

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Solution

The fourth proportional to 9,164.19, 13,747.63 and 3,319.43 is: 4,979.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,164.19 : 13,747.63 = 3,319.43 : x
  2. Step 2: Convert to fraction form
    9,164.19/13,747.63 = 3,319.43/x
  3. Step 3: Cross multiply
    9,164.19x = 13,747.63 × 3,319.43
  4. Step 4: Simplify right side
    9,164.19x = 45,634,295.45
  5. Step 5: Solve for x
    x = 45,634,295.45/9,164.19
  6. Step 6: Final answer
    x = 4,979.63

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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.