Home / 10,660.44-14,709.15-7,682.88

Finding the Fourth Proportional to 10,660.44, 14,709.15 and 7,682.88

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Solution

The fourth proportional to 10,660.44, 14,709.15 and 7,682.88 is: 10,600.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660.44 : 14,709.15 = 7,682.88 : x
  2. Step 2: Convert to fraction form
    10,660.44/14,709.15 = 7,682.88/x
  3. Step 3: Cross multiply
    10,660.44x = 14,709.15 × 7,682.88
  4. Step 4: Simplify right side
    10,660.44x = 113,008,634.35
  5. Step 5: Solve for x
    x = 113,008,634.35/10,660.44
  6. Step 6: Final answer
    x = 10,600.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.