Home / 12,269.08-18,408.48-4,483.36

Finding the Fourth Proportional to 12,269.08, 18,408.48 and 4,483.36

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Solution

The fourth proportional to 12,269.08, 18,408.48 and 4,483.36 is: 6,726.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269.08 : 18,408.48 = 4,483.36 : x
  2. Step 2: Convert to fraction form
    12,269.08/18,408.48 = 4,483.36/x
  3. Step 3: Cross multiply
    12,269.08x = 18,408.48 × 4,483.36
  4. Step 4: Simplify right side
    12,269.08x = 82,531,842.89
  5. Step 5: Solve for x
    x = 82,531,842.89/12,269.08
  6. Step 6: Final answer
    x = 6,726.82

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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.