Home / 11,246.89-16,872.39-4,673.59

Finding the Fourth Proportional to 11,246.89, 16,872.39 and 4,673.59

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Solution

The fourth proportional to 11,246.89, 16,872.39 and 4,673.59 is: 7,011.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.89 : 16,872.39 = 4,673.59 : x
  2. Step 2: Convert to fraction form
    11,246.89/16,872.39 = 4,673.59/x
  3. Step 3: Cross multiply
    11,246.89x = 16,872.39 × 4,673.59
  4. Step 4: Simplify right side
    11,246.89x = 78,854,633.18
  5. Step 5: Solve for x
    x = 78,854,633.18/11,246.89
  6. Step 6: Final answer
    x = 7,011.24

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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.