Home / 7,926.04-11,889.55-2,660.62

Finding the Fourth Proportional to 7,926.04, 11,889.55 and 2,660.62

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Solution

The fourth proportional to 7,926.04, 11,889.55 and 2,660.62 is: 3,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.04 : 11,889.55 = 2,660.62 : x
  2. Step 2: Convert to fraction form
    7,926.04/11,889.55 = 2,660.62/x
  3. Step 3: Cross multiply
    7,926.04x = 11,889.55 × 2,660.62
  4. Step 4: Simplify right side
    7,926.04x = 31,633,596.84
  5. Step 5: Solve for x
    x = 31,633,596.84/7,926.04
  6. Step 6: Final answer
    x = 3,991.10

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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.