Home / 12,495.85-18,747.03-3,730.77

Finding the Fourth Proportional to 12,495.85, 18,747.03 and 3,730.77

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Solution

The fourth proportional to 12,495.85, 18,747.03 and 3,730.77 is: 5,597.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495.85 : 18,747.03 = 3,730.77 : x
  2. Step 2: Convert to fraction form
    12,495.85/18,747.03 = 3,730.77/x
  3. Step 3: Cross multiply
    12,495.85x = 18,747.03 × 3,730.77
  4. Step 4: Simplify right side
    12,495.85x = 69,940,857.11
  5. Step 5: Solve for x
    x = 69,940,857.11/12,495.85
  6. Step 6: Final answer
    x = 5,597.13

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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.