Home / 8,112.08-11,194.64-4,386.08

Finding the Fourth Proportional to 8,112.08, 11,194.64 and 4,386.08

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Solution

The fourth proportional to 8,112.08, 11,194.64 and 4,386.08 is: 6,052.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.08 : 11,194.64 = 4,386.08 : x
  2. Step 2: Convert to fraction form
    8,112.08/11,194.64 = 4,386.08/x
  3. Step 3: Cross multiply
    8,112.08x = 11,194.64 × 4,386.08
  4. Step 4: Simplify right side
    8,112.08x = 49,100,586.61
  5. Step 5: Solve for x
    x = 49,100,586.61/8,112.08
  6. Step 6: Final answer
    x = 6,052.77

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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.