Home / 8,131.62-11,221.02-4,595.16

Finding the Fourth Proportional to 8,131.62, 11,221.02 and 4,595.16

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Solution

The fourth proportional to 8,131.62, 11,221.02 and 4,595.16 is: 6,340.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.62 : 11,221.02 = 4,595.16 : x
  2. Step 2: Convert to fraction form
    8,131.62/11,221.02 = 4,595.16/x
  3. Step 3: Cross multiply
    8,131.62x = 11,221.02 × 4,595.16
  4. Step 4: Simplify right side
    8,131.62x = 51,562,382.26
  5. Step 5: Solve for x
    x = 51,562,382.26/8,131.62
  6. Step 6: Final answer
    x = 6,340.97

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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.