Home / 11,022.34-15,213.26-7,245.86

Finding the Fourth Proportional to 11,022.34, 15,213.26 and 7,245.86

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Solution

The fourth proportional to 11,022.34, 15,213.26 and 7,245.86 is: 10,000.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.34 : 15,213.26 = 7,245.86 : x
  2. Step 2: Convert to fraction form
    11,022.34/15,213.26 = 7,245.86/x
  3. Step 3: Cross multiply
    11,022.34x = 15,213.26 × 7,245.86
  4. Step 4: Simplify right side
    11,022.34x = 110,233,152.10
  5. Step 5: Solve for x
    x = 110,233,152.10/11,022.34
  6. Step 6: Final answer
    x = 10,000.88

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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.