Home / 7,338.88-11,009.18-2,661.10

Finding the Fourth Proportional to 7,338.88, 11,009.18 and 2,661.10

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Solution

The fourth proportional to 7,338.88, 11,009.18 and 2,661.10 is: 3,991.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.88 : 11,009.18 = 2,661.10 : x
  2. Step 2: Convert to fraction form
    7,338.88/11,009.18 = 2,661.10/x
  3. Step 3: Cross multiply
    7,338.88x = 11,009.18 × 2,661.10
  4. Step 4: Simplify right side
    7,338.88x = 29,296,460.55
  5. Step 5: Solve for x
    x = 29,296,460.55/7,338.88
  6. Step 6: Final answer
    x = 3,991.95

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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.