Home / 11,913.26-16,440.18-6,607.94

Finding the Fourth Proportional to 11,913.26, 16,440.18 and 6,607.94

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Solution

The fourth proportional to 11,913.26, 16,440.18 and 6,607.94 is: 9,118.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.26 : 16,440.18 = 6,607.94 : x
  2. Step 2: Convert to fraction form
    11,913.26/16,440.18 = 6,607.94/x
  3. Step 3: Cross multiply
    11,913.26x = 16,440.18 × 6,607.94
  4. Step 4: Simplify right side
    11,913.26x = 108,635,723.03
  5. Step 5: Solve for x
    x = 108,635,723.03/11,913.26
  6. Step 6: Final answer
    x = 9,118.89

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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.