Home / 11,112.42-16,668.65-4,451.93

Finding the Fourth Proportional to 11,112.42, 16,668.65 and 4,451.93

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Solution

The fourth proportional to 11,112.42, 16,668.65 and 4,451.93 is: 6,677.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.42 : 16,668.65 = 4,451.93 : x
  2. Step 2: Convert to fraction form
    11,112.42/16,668.65 = 4,451.93/x
  3. Step 3: Cross multiply
    11,112.42x = 16,668.65 × 4,451.93
  4. Step 4: Simplify right side
    11,112.42x = 74,207,662.99
  5. Step 5: Solve for x
    x = 74,207,662.99/11,112.42
  6. Step 6: Final answer
    x = 6,677.90

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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.