Home / 8,180.96-11,289.76-4,644.24

Finding the Fourth Proportional to 8,180.96, 11,289.76 and 4,644.24

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Solution

The fourth proportional to 8,180.96, 11,289.76 and 4,644.24 is: 6,409.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.96 : 11,289.76 = 4,644.24 : x
  2. Step 2: Convert to fraction form
    8,180.96/11,289.76 = 4,644.24/x
  3. Step 3: Cross multiply
    8,180.96x = 11,289.76 × 4,644.24
  4. Step 4: Simplify right side
    8,180.96x = 52,432,354.98
  5. Step 5: Solve for x
    x = 52,432,354.98/8,180.96
  6. Step 6: Final answer
    x = 6,409.07

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Half scale
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Double scale
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Similar ratio
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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.