Home / 12,301.24-18,450.78-3,534.52

Finding the Fourth Proportional to 12,301.24, 18,450.78 and 3,534.52

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Solution

The fourth proportional to 12,301.24, 18,450.78 and 3,534.52 is: 5,301.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301.24 : 18,450.78 = 3,534.52 : x
  2. Step 2: Convert to fraction form
    12,301.24/18,450.78 = 3,534.52/x
  3. Step 3: Cross multiply
    12,301.24x = 18,450.78 × 3,534.52
  4. Step 4: Simplify right side
    12,301.24x = 65,214,650.93
  5. Step 5: Solve for x
    x = 65,214,650.93/12,301.24
  6. Step 6: Final answer
    x = 5,301.47

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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.