Home / 11,080.12-15,290.34-6,112.12

Finding the Fourth Proportional to 11,080.12, 15,290.34 and 6,112.12

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Solution

The fourth proportional to 11,080.12, 15,290.34 and 6,112.12 is: 8,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.12 : 15,290.34 = 6,112.12 : x
  2. Step 2: Convert to fraction form
    11,080.12/15,290.34 = 6,112.12/x
  3. Step 3: Cross multiply
    11,080.12x = 15,290.34 × 6,112.12
  4. Step 4: Simplify right side
    11,080.12x = 93,456,392.92
  5. Step 5: Solve for x
    x = 93,456,392.92/11,080.12
  6. Step 6: Final answer
    x = 8,434.60

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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.