Home / 12,247.54-18,370.88-5,322.04

Finding the Fourth Proportional to 12,247.54, 18,370.88 and 5,322.04

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Solution

The fourth proportional to 12,247.54, 18,370.88 and 5,322.04 is: 7,982.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.54 : 18,370.88 = 5,322.04 : x
  2. Step 2: Convert to fraction form
    12,247.54/18,370.88 = 5,322.04/x
  3. Step 3: Cross multiply
    12,247.54x = 18,370.88 × 5,322.04
  4. Step 4: Simplify right side
    12,247.54x = 97,770,558.20
  5. Step 5: Solve for x
    x = 97,770,558.20/12,247.54
  6. Step 6: Final answer
    x = 7,982.87

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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.