Home / 7,836.05-11,752.22-3,672.09

Finding the Fourth Proportional to 7,836.05, 11,752.22 and 3,672.09

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Solution

The fourth proportional to 7,836.05, 11,752.22 and 3,672.09 is: 5,507.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.05 : 11,752.22 = 3,672.09 : x
  2. Step 2: Convert to fraction form
    7,836.05/11,752.22 = 3,672.09/x
  3. Step 3: Cross multiply
    7,836.05x = 11,752.22 × 3,672.09
  4. Step 4: Simplify right side
    7,836.05x = 43,155,191.18
  5. Step 5: Solve for x
    x = 43,155,191.18/7,836.05
  6. Step 6: Final answer
    x = 5,507.27

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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.