Home / 10,823.22-16,197.91-6,666.10

Finding the Fourth Proportional to 10,823.22, 16,197.91 and 6,666.10

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Solution

The fourth proportional to 10,823.22, 16,197.91 and 6,666.10 is: 9,976.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,823.22 : 16,197.91 = 6,666.10 : x
  2. Step 2: Convert to fraction form
    10,823.22/16,197.91 = 6,666.10/x
  3. Step 3: Cross multiply
    10,823.22x = 16,197.91 × 6,666.10
  4. Step 4: Simplify right side
    10,823.22x = 107,976,830.69
  5. Step 5: Solve for x
    x = 107,976,830.69/10,823.22
  6. Step 6: Final answer
    x = 9,976.41

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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.