Home / 8,065.52-11,131.08-4,481.56

Finding the Fourth Proportional to 8,065.52, 11,131.08 and 4,481.56

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Solution

The fourth proportional to 8,065.52, 11,131.08 and 4,481.56 is: 6,184.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.52 : 11,131.08 = 4,481.56 : x
  2. Step 2: Convert to fraction form
    8,065.52/11,131.08 = 4,481.56/x
  3. Step 3: Cross multiply
    8,065.52x = 11,131.08 × 4,481.56
  4. Step 4: Simplify right side
    8,065.52x = 49,884,602.88
  5. Step 5: Solve for x
    x = 49,884,602.88/8,065.52
  6. Step 6: Final answer
    x = 6,184.92

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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.