Home / 8,033.90-11,077.34-6,439.27

Finding the Fourth Proportional to 8,033.90, 11,077.34 and 6,439.27

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Solution

The fourth proportional to 8,033.90, 11,077.34 and 6,439.27 is: 8,878.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,033.90 : 11,077.34 = 6,439.27 : x
  2. Step 2: Convert to fraction form
    8,033.90/11,077.34 = 6,439.27/x
  3. Step 3: Cross multiply
    8,033.90x = 11,077.34 × 6,439.27
  4. Step 4: Simplify right side
    8,033.90x = 71,329,983.14
  5. Step 5: Solve for x
    x = 71,329,983.14/8,033.90
  6. Step 6: Final answer
    x = 8,878.62

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Double scale
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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.