Home / 8,107.48-11,189.00-4,571.42

Finding the Fourth Proportional to 8,107.48, 11,189.00 and 4,571.42

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Solution

The fourth proportional to 8,107.48, 11,189.00 and 4,571.42 is: 6,308.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.48 : 11,189.00 = 4,571.42 : x
  2. Step 2: Convert to fraction form
    8,107.48/11,189.00 = 4,571.42/x
  3. Step 3: Cross multiply
    8,107.48x = 11,189.00 × 4,571.42
  4. Step 4: Simplify right side
    8,107.48x = 51,149,595.52
  5. Step 5: Solve for x
    x = 51,149,595.52/8,107.48
  6. Step 6: Final answer
    x = 6,308.94

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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.