Home / 7,971.66-11,958.45-2,635.02

Finding the Fourth Proportional to 7,971.66, 11,958.45 and 2,635.02

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Solution

The fourth proportional to 7,971.66, 11,958.45 and 2,635.02 is: 3,952.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.66 : 11,958.45 = 2,635.02 : x
  2. Step 2: Convert to fraction form
    7,971.66/11,958.45 = 2,635.02/x
  3. Step 3: Cross multiply
    7,971.66x = 11,958.45 × 2,635.02
  4. Step 4: Simplify right side
    7,971.66x = 31,510,754.92
  5. Step 5: Solve for x
    x = 31,510,754.92/7,971.66
  6. Step 6: Final answer
    x = 3,952.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.