Home / 8,142.92-11,237.72-4,606.44

Finding the Fourth Proportional to 8,142.92, 11,237.72 and 4,606.44

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Solution

The fourth proportional to 8,142.92, 11,237.72 and 4,606.44 is: 6,357.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142.92 : 11,237.72 = 4,606.44 : x
  2. Step 2: Convert to fraction form
    8,142.92/11,237.72 = 4,606.44/x
  3. Step 3: Cross multiply
    8,142.92x = 11,237.72 × 4,606.44
  4. Step 4: Simplify right side
    8,142.92x = 51,765,882.92
  5. Step 5: Solve for x
    x = 51,765,882.92/8,142.92
  6. Step 6: Final answer
    x = 6,357.16

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Half 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.