Home / 9,273.12-13,912.80-4,079.36

Finding the Fourth Proportional to 9,273.12, 13,912.80 and 4,079.36

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Solution

The fourth proportional to 9,273.12, 13,912.80 and 4,079.36 is: 6,120.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,273.12 : 13,912.80 = 4,079.36 : x
  2. Step 2: Convert to fraction form
    9,273.12/13,912.80 = 4,079.36/x
  3. Step 3: Cross multiply
    9,273.12x = 13,912.80 × 4,079.36
  4. Step 4: Simplify right side
    9,273.12x = 56,755,319.81
  5. Step 5: Solve for x
    x = 56,755,319.81/9,273.12
  6. Step 6: Final answer
    x = 6,120.41

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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.