Home / 7,926.46-11,887.30-2,660.58

Finding the Fourth Proportional to 7,926.46, 11,887.30 and 2,660.58

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Solution

The fourth proportional to 7,926.46, 11,887.30 and 2,660.58 is: 3,990.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.46 : 11,887.30 = 2,660.58 : x
  2. Step 2: Convert to fraction form
    7,926.46/11,887.30 = 2,660.58/x
  3. Step 3: Cross multiply
    7,926.46x = 11,887.30 × 2,660.58
  4. Step 4: Simplify right side
    7,926.46x = 31,627,112.63
  5. Step 5: Solve for x
    x = 31,627,112.63/7,926.46
  6. Step 6: Final answer
    x = 3,990.07

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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.