Home / 12,302.96-18,453.26-4,905.44

Finding the Fourth Proportional to 12,302.96, 18,453.26 and 4,905.44

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Solution

The fourth proportional to 12,302.96, 18,453.26 and 4,905.44 is: 7,357.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302.96 : 18,453.26 = 4,905.44 : x
  2. Step 2: Convert to fraction form
    12,302.96/18,453.26 = 4,905.44/x
  3. Step 3: Cross multiply
    12,302.96x = 18,453.26 × 4,905.44
  4. Step 4: Simplify right side
    12,302.96x = 90,521,279.73
  5. Step 5: Solve for x
    x = 90,521,279.73/12,302.96
  6. Step 6: Final answer
    x = 7,357.69

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1.5x scale

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.