Home / 8,164.75-11,267.45-4,438.75

Finding the Fourth Proportional to 8,164.75, 11,267.45 and 4,438.75

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Solution

The fourth proportional to 8,164.75, 11,267.45 and 4,438.75 is: 6,125.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.75 : 11,267.45 = 4,438.75 : x
  2. Step 2: Convert to fraction form
    8,164.75/11,267.45 = 4,438.75/x
  3. Step 3: Cross multiply
    8,164.75x = 11,267.45 × 4,438.75
  4. Step 4: Simplify right side
    8,164.75x = 50,013,371.49
  5. Step 5: Solve for x
    x = 50,013,371.49/8,164.75
  6. Step 6: Final answer
    x = 6,125.52

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Half scale
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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.