Home / 10,885.56-15,025.44-6,408.96

Finding the Fourth Proportional to 10,885.56, 15,025.44 and 6,408.96

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Solution

The fourth proportional to 10,885.56, 15,025.44 and 6,408.96 is: 8,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,885.56 : 15,025.44 = 6,408.96 : x
  2. Step 2: Convert to fraction form
    10,885.56/15,025.44 = 6,408.96/x
  3. Step 3: Cross multiply
    10,885.56x = 15,025.44 × 6,408.96
  4. Step 4: Simplify right side
    10,885.56x = 96,297,443.94
  5. Step 5: Solve for x
    x = 96,297,443.94/10,885.56
  6. Step 6: Final answer
    x = 8,846.35

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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.