Home / 11,889.16-16,407.12-6,584.32

Finding the Fourth Proportional to 11,889.16, 16,407.12 and 6,584.32

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Solution

The fourth proportional to 11,889.16, 16,407.12 and 6,584.32 is: 9,086.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.16 : 16,407.12 = 6,584.32 : x
  2. Step 2: Convert to fraction form
    11,889.16/16,407.12 = 6,584.32/x
  3. Step 3: Cross multiply
    11,889.16x = 16,407.12 × 6,584.32
  4. Step 4: Simplify right side
    11,889.16x = 108,029,728.36
  5. Step 5: Solve for x
    x = 108,029,728.36/11,889.16
  6. Step 6: Final answer
    x = 9,086.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.