Home / 10,939.22-16,408.92-4,693.98

Finding the Fourth Proportional to 10,939.22, 16,408.92 and 4,693.98

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Solution

The fourth proportional to 10,939.22, 16,408.92 and 4,693.98 is: 7,041.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.22 : 16,408.92 = 4,693.98 : x
  2. Step 2: Convert to fraction form
    10,939.22/16,408.92 = 4,693.98/x
  3. Step 3: Cross multiply
    10,939.22x = 16,408.92 × 4,693.98
  4. Step 4: Simplify right side
    10,939.22x = 77,023,142.30
  5. Step 5: Solve for x
    x = 77,023,142.30/10,939.22
  6. Step 6: Final answer
    x = 7,041.01

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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.