Home / 8,162.91-11,247.35-5,505.66

Finding the Fourth Proportional to 8,162.91, 11,247.35 and 5,505.66

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Solution

The fourth proportional to 8,162.91, 11,247.35 and 5,505.66 is: 7,586.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.91 : 11,247.35 = 5,505.66 : x
  2. Step 2: Convert to fraction form
    8,162.91/11,247.35 = 5,505.66/x
  3. Step 3: Cross multiply
    8,162.91x = 11,247.35 × 5,505.66
  4. Step 4: Simplify right side
    8,162.91x = 61,924,057.47
  5. Step 5: Solve for x
    x = 61,924,057.47/8,162.91
  6. Step 6: Final answer
    x = 7,586.03

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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.