Home / 12,291.33-18,450.67-6,366.63

Finding the Fourth Proportional to 12,291.33, 18,450.67 and 6,366.63

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Solution

The fourth proportional to 12,291.33, 18,450.67 and 6,366.63 is: 9,557.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291.33 : 18,450.67 = 6,366.63 : x
  2. Step 2: Convert to fraction form
    12,291.33/18,450.67 = 6,366.63/x
  3. Step 3: Cross multiply
    12,291.33x = 18,450.67 × 6,366.63
  4. Step 4: Simplify right side
    12,291.33x = 117,468,654.35
  5. Step 5: Solve for x
    x = 117,468,654.35/12,291.33
  6. Step 6: Final answer
    x = 9,557.04

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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.