Home / 11,988.86-16,544.66-6,684.02

Finding the Fourth Proportional to 11,988.86, 16,544.66 and 6,684.02

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Solution

The fourth proportional to 11,988.86, 16,544.66 and 6,684.02 is: 9,223.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988.86 : 16,544.66 = 6,684.02 : x
  2. Step 2: Convert to fraction form
    11,988.86/16,544.66 = 6,684.02/x
  3. Step 3: Cross multiply
    11,988.86x = 16,544.66 × 6,684.02
  4. Step 4: Simplify right side
    11,988.86x = 110,584,784.23
  5. Step 5: Solve for x
    x = 110,584,784.23/11,988.86
  6. Step 6: Final answer
    x = 9,223.96

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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.