Home / 11,130.10-16,690.20-3,337.36

Finding the Fourth Proportional to 11,130.10, 16,690.20 and 3,337.36

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Solution

The fourth proportional to 11,130.10, 16,690.20 and 3,337.36 is: 5,004.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.10 : 16,690.20 = 3,337.36 : x
  2. Step 2: Convert to fraction form
    11,130.10/16,690.20 = 3,337.36/x
  3. Step 3: Cross multiply
    11,130.10x = 16,690.20 × 3,337.36
  4. Step 4: Simplify right side
    11,130.10x = 55,701,205.87
  5. Step 5: Solve for x
    x = 55,701,205.87/11,130.10
  6. Step 6: Final answer
    x = 5,004.56

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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.