Home / 9,663.28-14,493.94-2,643.92

Finding the Fourth Proportional to 9,663.28, 14,493.94 and 2,643.92

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Solution

The fourth proportional to 9,663.28, 14,493.94 and 2,643.92 is: 3,965.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,663.28 : 14,493.94 = 2,643.92 : x
  2. Step 2: Convert to fraction form
    9,663.28/14,493.94 = 2,643.92/x
  3. Step 3: Cross multiply
    9,663.28x = 14,493.94 × 2,643.92
  4. Step 4: Simplify right side
    9,663.28x = 38,320,817.84
  5. Step 5: Solve for x
    x = 38,320,817.84/9,663.28
  6. Step 6: Final answer
    x = 3,965.61

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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.