Home / 10,516.28-14,502.66-6,976.04

Finding the Fourth Proportional to 10,516.28, 14,502.66 and 6,976.04

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Solution

The fourth proportional to 10,516.28, 14,502.66 and 6,976.04 is: 9,620.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516.28 : 14,502.66 = 6,976.04 : x
  2. Step 2: Convert to fraction form
    10,516.28/14,502.66 = 6,976.04/x
  3. Step 3: Cross multiply
    10,516.28x = 14,502.66 × 6,976.04
  4. Step 4: Simplify right side
    10,516.28x = 101,171,136.27
  5. Step 5: Solve for x
    x = 101,171,136.27/10,516.28
  6. Step 6: Final answer
    x = 9,620.43

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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.