Home / 10,946.21-16,421.62-3,550.09

Finding the Fourth Proportional to 10,946.21, 16,421.62 and 3,550.09

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Solution

The fourth proportional to 10,946.21, 16,421.62 and 3,550.09 is: 5,325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,946.21 : 16,421.62 = 3,550.09 : x
  2. Step 2: Convert to fraction form
    10,946.21/16,421.62 = 3,550.09/x
  3. Step 3: Cross multiply
    10,946.21x = 16,421.62 × 3,550.09
  4. Step 4: Simplify right side
    10,946.21x = 58,298,220.07
  5. Step 5: Solve for x
    x = 58,298,220.07/10,946.21
  6. Step 6: Final answer
    x = 5,325.88

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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.