Home / 10,816.28-14,923.32-6,786.44

Finding the Fourth Proportional to 10,816.28, 14,923.32 and 6,786.44

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Solution

The fourth proportional to 10,816.28, 14,923.32 and 6,786.44 is: 9,363.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.28 : 14,923.32 = 6,786.44 : x
  2. Step 2: Convert to fraction form
    10,816.28/14,923.32 = 6,786.44/x
  3. Step 3: Cross multiply
    10,816.28x = 14,923.32 × 6,786.44
  4. Step 4: Simplify right side
    10,816.28x = 101,276,215.78
  5. Step 5: Solve for x
    x = 101,276,215.78/10,816.28
  6. Step 6: Final answer
    x = 9,363.31

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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.