Home / 11,887.76-16,405.80-6,582.44

Finding the Fourth Proportional to 11,887.76, 16,405.80 and 6,582.44

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Solution

The fourth proportional to 11,887.76, 16,405.80 and 6,582.44 is: 9,084.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887.76 : 16,405.80 = 6,582.44 : x
  2. Step 2: Convert to fraction form
    11,887.76/16,405.80 = 6,582.44/x
  3. Step 3: Cross multiply
    11,887.76x = 16,405.80 × 6,582.44
  4. Step 4: Simplify right side
    11,887.76x = 107,990,194.15
  5. Step 5: Solve for x
    x = 107,990,194.15/11,887.76
  6. Step 6: Final answer
    x = 9,084.15

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Why These Related Problems?

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