Home / 8,072.56-11,140.38-4,535.68

Finding the Fourth Proportional to 8,072.56, 11,140.38 and 4,535.68

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Solution

The fourth proportional to 8,072.56, 11,140.38 and 4,535.68 is: 6,259.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.56 : 11,140.38 = 4,535.68 : x
  2. Step 2: Convert to fraction form
    8,072.56/11,140.38 = 4,535.68/x
  3. Step 3: Cross multiply
    8,072.56x = 11,140.38 × 4,535.68
  4. Step 4: Simplify right side
    8,072.56x = 50,529,198.76
  5. Step 5: Solve for x
    x = 50,529,198.76/8,072.56
  6. Step 6: Final answer
    x = 6,259.38

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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.