Home / 8,956.83-13,436.09-3,408.67

Finding the Fourth Proportional to 8,956.83, 13,436.09 and 3,408.67

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Solution

The fourth proportional to 8,956.83, 13,436.09 and 3,408.67 is: 5,113.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956.83 : 13,436.09 = 3,408.67 : x
  2. Step 2: Convert to fraction form
    8,956.83/13,436.09 = 3,408.67/x
  3. Step 3: Cross multiply
    8,956.83x = 13,436.09 × 3,408.67
  4. Step 4: Simplify right side
    8,956.83x = 45,799,196.90
  5. Step 5: Solve for x
    x = 45,799,196.90/8,956.83
  6. Step 6: Final answer
    x = 5,113.33

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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.