Home / 10,633.09-15,928.88-7,816.73

Finding the Fourth Proportional to 10,633.09, 15,928.88 and 7,816.73

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Solution

The fourth proportional to 10,633.09, 15,928.88 and 7,816.73 is: 11,709.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,633.09 : 15,928.88 = 7,816.73 : x
  2. Step 2: Convert to fraction form
    10,633.09/15,928.88 = 7,816.73/x
  3. Step 3: Cross multiply
    10,633.09x = 15,928.88 × 7,816.73
  4. Step 4: Simplify right side
    10,633.09x = 124,511,752.62
  5. Step 5: Solve for x
    x = 124,511,752.62/10,633.09
  6. Step 6: Final answer
    x = 11,709.84

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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.