Home / 10,668.84-16,003.08-4,821.36

Finding the Fourth Proportional to 10,668.84, 16,003.08 and 4,821.36

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Solution

The fourth proportional to 10,668.84, 16,003.08 and 4,821.36 is: 7,231.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.84 : 16,003.08 = 4,821.36 : x
  2. Step 2: Convert to fraction form
    10,668.84/16,003.08 = 4,821.36/x
  3. Step 3: Cross multiply
    10,668.84x = 16,003.08 × 4,821.36
  4. Step 4: Simplify right side
    10,668.84x = 77,156,609.79
  5. Step 5: Solve for x
    x = 77,156,609.79/10,668.84
  6. Step 6: Final answer
    x = 7,231.96

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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.