Home / 12,370.24-18,556.20-3,605.20

Finding the Fourth Proportional to 12,370.24, 18,556.20 and 3,605.20

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Solution

The fourth proportional to 12,370.24, 18,556.20 and 3,605.20 is: 5,408.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.24 : 18,556.20 = 3,605.20 : x
  2. Step 2: Convert to fraction form
    12,370.24/18,556.20 = 3,605.20/x
  3. Step 3: Cross multiply
    12,370.24x = 18,556.20 × 3,605.20
  4. Step 4: Simplify right side
    12,370.24x = 66,898,812.24
  5. Step 5: Solve for x
    x = 66,898,812.24/12,370.24
  6. Step 6: Final answer
    x = 5,408.04

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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.