Home / 11,167.56-15,410.94-6,131.76

Finding the Fourth Proportional to 11,167.56, 15,410.94 and 6,131.76

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Solution

The fourth proportional to 11,167.56, 15,410.94 and 6,131.76 is: 8,461.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.56 : 15,410.94 = 6,131.76 : x
  2. Step 2: Convert to fraction form
    11,167.56/15,410.94 = 6,131.76/x
  3. Step 3: Cross multiply
    11,167.56x = 15,410.94 × 6,131.76
  4. Step 4: Simplify right side
    11,167.56x = 94,496,185.45
  5. Step 5: Solve for x
    x = 94,496,185.45/11,167.56
  6. Step 6: Final answer
    x = 8,461.67

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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.