Home / 11,135.15-16,702.13-3,739.76

Finding the Fourth Proportional to 11,135.15, 16,702.13 and 3,739.76

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Solution

The fourth proportional to 11,135.15, 16,702.13 and 3,739.76 is: 5,609.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.15 : 16,702.13 = 3,739.76 : x
  2. Step 2: Convert to fraction form
    11,135.15/16,702.13 = 3,739.76/x
  3. Step 3: Cross multiply
    11,135.15x = 16,702.13 × 3,739.76
  4. Step 4: Simplify right side
    11,135.15x = 62,461,883.53
  5. Step 5: Solve for x
    x = 62,461,883.53/11,135.15
  6. Step 6: Final answer
    x = 5,609.44

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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.