Home / 8,131.05-11,220.39-4,594.32

Finding the Fourth Proportional to 8,131.05, 11,220.39 and 4,594.32

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Solution

The fourth proportional to 8,131.05, 11,220.39 and 4,594.32 is: 6,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.05 : 11,220.39 = 4,594.32 : x
  2. Step 2: Convert to fraction form
    8,131.05/11,220.39 = 4,594.32/x
  3. Step 3: Cross multiply
    8,131.05x = 11,220.39 × 4,594.32
  4. Step 4: Simplify right side
    8,131.05x = 51,550,062.18
  5. Step 5: Solve for x
    x = 51,550,062.18/8,131.05
  6. Step 6: Final answer
    x = 6,339.90

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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.