Home / 12,408.24-18,609.12-5,833.20

Finding the Fourth Proportional to 12,408.24, 18,609.12 and 5,833.20

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Solution

The fourth proportional to 12,408.24, 18,609.12 and 5,833.20 is: 8,748.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,408.24 : 18,609.12 = 5,833.20 : x
  2. Step 2: Convert to fraction form
    12,408.24/18,609.12 = 5,833.20/x
  3. Step 3: Cross multiply
    12,408.24x = 18,609.12 × 5,833.20
  4. Step 4: Simplify right side
    12,408.24x = 108,550,718.78
  5. Step 5: Solve for x
    x = 108,550,718.78/12,408.24
  6. Step 6: Final answer
    x = 8,748.28

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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.