Home / 10,958.22-15,122.30-6,242.54

Finding the Fourth Proportional to 10,958.22, 15,122.30 and 6,242.54

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Solution

The fourth proportional to 10,958.22, 15,122.30 and 6,242.54 is: 8,614.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.22 : 15,122.30 = 6,242.54 : x
  2. Step 2: Convert to fraction form
    10,958.22/15,122.30 = 6,242.54/x
  3. Step 3: Cross multiply
    10,958.22x = 15,122.30 × 6,242.54
  4. Step 4: Simplify right side
    10,958.22x = 94,401,455.82
  5. Step 5: Solve for x
    x = 94,401,455.82/10,958.22
  6. Step 6: Final answer
    x = 8,614.67

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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.