Home / 11,165.40-16,748.10-3,373.20

Finding the Fourth Proportional to 11,165.40, 16,748.10 and 3,373.20

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Solution

The fourth proportional to 11,165.40, 16,748.10 and 3,373.20 is: 5,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.40 : 16,748.10 = 3,373.20 : x
  2. Step 2: Convert to fraction form
    11,165.40/16,748.10 = 3,373.20/x
  3. Step 3: Cross multiply
    11,165.40x = 16,748.10 × 3,373.20
  4. Step 4: Simplify right side
    11,165.40x = 56,494,690.92
  5. Step 5: Solve for x
    x = 56,494,690.92/11,165.40
  6. Step 6: Final answer
    x = 5,059.80

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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.