Home / 8,065.73-11,131.30-4,707.82

Finding the Fourth Proportional to 8,065.73, 11,131.30 and 4,707.82

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Solution

The fourth proportional to 8,065.73, 11,131.30 and 4,707.82 is: 6,497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.73 : 11,131.30 = 4,707.82 : x
  2. Step 2: Convert to fraction form
    8,065.73/11,131.30 = 4,707.82/x
  3. Step 3: Cross multiply
    8,065.73x = 11,131.30 × 4,707.82
  4. Step 4: Simplify right side
    8,065.73x = 52,404,163.32
  5. Step 5: Solve for x
    x = 52,404,163.32/8,065.73
  6. Step 6: Final answer
    x = 6,497.14

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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.