Home / 7,928.60-11,894.26-2,664.11

Finding the Fourth Proportional to 7,928.60, 11,894.26 and 2,664.11

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Solution

The fourth proportional to 7,928.60, 11,894.26 and 2,664.11 is: 3,996.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.60 : 11,894.26 = 2,664.11 : x
  2. Step 2: Convert to fraction form
    7,928.60/11,894.26 = 2,664.11/x
  3. Step 3: Cross multiply
    7,928.60x = 11,894.26 × 2,664.11
  4. Step 4: Simplify right side
    7,928.60x = 31,687,617.01
  5. Step 5: Solve for x
    x = 31,687,617.01/7,928.60
  6. Step 6: Final answer
    x = 3,996.62

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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.