Home / 12,256.67-18,381.90-5,232.80

Finding the Fourth Proportional to 12,256.67, 18,381.90 and 5,232.80

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Solution

The fourth proportional to 12,256.67, 18,381.90 and 5,232.80 is: 7,847.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.67 : 18,381.90 = 5,232.80 : x
  2. Step 2: Convert to fraction form
    12,256.67/18,381.90 = 5,232.80/x
  3. Step 3: Cross multiply
    12,256.67x = 18,381.90 × 5,232.80
  4. Step 4: Simplify right side
    12,256.67x = 96,188,806.32
  5. Step 5: Solve for x
    x = 96,188,806.32/12,256.67
  6. Step 6: Final answer
    x = 7,847.87

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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.