Home / 10,288.90-14,198.96-5,813.31

Finding the Fourth Proportional to 10,288.90, 14,198.96 and 5,813.31

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Solution

The fourth proportional to 10,288.90, 14,198.96 and 5,813.31 is: 8,022.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.90 : 14,198.96 = 5,813.31 : x
  2. Step 2: Convert to fraction form
    10,288.90/14,198.96 = 5,813.31/x
  3. Step 3: Cross multiply
    10,288.90x = 14,198.96 × 5,813.31
  4. Step 4: Simplify right side
    10,288.90x = 82,542,927.09
  5. Step 5: Solve for x
    x = 82,542,927.09/10,288.90
  6. Step 6: Final answer
    x = 8,022.52

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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.