Home / 7,408.50-11,114.52-2,214.54

Finding the Fourth Proportional to 7,408.50, 11,114.52 and 2,214.54

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Solution

The fourth proportional to 7,408.50, 11,114.52 and 2,214.54 is: 3,322.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.50 : 11,114.52 = 2,214.54 : x
  2. Step 2: Convert to fraction form
    7,408.50/11,114.52 = 2,214.54/x
  3. Step 3: Cross multiply
    7,408.50x = 11,114.52 × 2,214.54
  4. Step 4: Simplify right side
    7,408.50x = 24,613,549.12
  5. Step 5: Solve for x
    x = 24,613,549.12/7,408.50
  6. Step 6: Final answer
    x = 3,322.34

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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.