Home / 7,408.22-10,223.88-4,424.18

Finding the Fourth Proportional to 7,408.22, 10,223.88 and 4,424.18

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Solution

The fourth proportional to 7,408.22, 10,223.88 and 4,424.18 is: 6,105.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.22 : 10,223.88 = 4,424.18 : x
  2. Step 2: Convert to fraction form
    7,408.22/10,223.88 = 4,424.18/x
  3. Step 3: Cross multiply
    7,408.22x = 10,223.88 × 4,424.18
  4. Step 4: Simplify right side
    7,408.22x = 45,232,285.42
  5. Step 5: Solve for x
    x = 45,232,285.42/7,408.22
  6. Step 6: Final answer
    x = 6,105.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.