Home / 10,783.22-16,165.24-4,207.91

Finding the Fourth Proportional to 10,783.22, 16,165.24 and 4,207.91

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Solution

The fourth proportional to 10,783.22, 16,165.24 and 4,207.91 is: 6,308.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783.22 : 16,165.24 = 4,207.91 : x
  2. Step 2: Convert to fraction form
    10,783.22/16,165.24 = 4,207.91/x
  3. Step 3: Cross multiply
    10,783.22x = 16,165.24 × 4,207.91
  4. Step 4: Simplify right side
    10,783.22x = 68,021,783.70
  5. Step 5: Solve for x
    x = 68,021,783.70/10,783.22
  6. Step 6: Final answer
    x = 6,308.12

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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.