Home / 8,161.35-11,263.58-4,805.00

Finding the Fourth Proportional to 8,161.35, 11,263.58 and 4,805.00

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Solution

The fourth proportional to 8,161.35, 11,263.58 and 4,805.00 is: 6,631.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.35 : 11,263.58 = 4,805.00 : x
  2. Step 2: Convert to fraction form
    8,161.35/11,263.58 = 4,805.00/x
  3. Step 3: Cross multiply
    8,161.35x = 11,263.58 × 4,805.00
  4. Step 4: Simplify right side
    8,161.35x = 54,121,421.56
  5. Step 5: Solve for x
    x = 54,121,421.56/8,161.35
  6. Step 6: Final answer
    x = 6,631.43

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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.