Home / 8,112.90-11,195.56-4,527.96

Finding the Fourth Proportional to 8,112.90, 11,195.56 and 4,527.96

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Solution

The fourth proportional to 8,112.90, 11,195.56 and 4,527.96 is: 6,248.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.90 : 11,195.56 = 4,527.96 : x
  2. Step 2: Convert to fraction form
    8,112.90/11,195.56 = 4,527.96/x
  3. Step 3: Cross multiply
    8,112.90x = 11,195.56 × 4,527.96
  4. Step 4: Simplify right side
    8,112.90x = 50,693,047.86
  5. Step 5: Solve for x
    x = 50,693,047.86/8,112.90
  6. Step 6: Final answer
    x = 6,248.45

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Half scale
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Double scale
Find fourth proportional to 8,113.90, 11,196.94 and 4,528.96
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.