Home / 7,960.89-11,955.20-7,335.03

Finding the Fourth Proportional to 7,960.89, 11,955.20 and 7,335.03

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Solution

The fourth proportional to 7,960.89, 11,955.20 and 7,335.03 is: 11,015.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.89 : 11,955.20 = 7,335.03 : x
  2. Step 2: Convert to fraction form
    7,960.89/11,955.20 = 7,335.03/x
  3. Step 3: Cross multiply
    7,960.89x = 11,955.20 × 7,335.03
  4. Step 4: Simplify right side
    7,960.89x = 87,691,709.22
  5. Step 5: Solve for x
    x = 87,691,709.22/7,960.89
  6. Step 6: Final answer
    x = 11,015.31

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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.