Home / 8,256.28-11,393.58-5,112.76

Finding the Fourth Proportional to 8,256.28, 11,393.58 and 5,112.76

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Solution

The fourth proportional to 8,256.28, 11,393.58 and 5,112.76 is: 7,055.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.28 : 11,393.58 = 5,112.76 : x
  2. Step 2: Convert to fraction form
    8,256.28/11,393.58 = 5,112.76/x
  3. Step 3: Cross multiply
    8,256.28x = 11,393.58 × 5,112.76
  4. Step 4: Simplify right side
    8,256.28x = 58,252,640.08
  5. Step 5: Solve for x
    x = 58,252,640.08/8,256.28
  6. Step 6: Final answer
    x = 7,055.56

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Half scale
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Double scale
Find fourth proportional to 8,257.28, 11,394.96 and 5,113.76
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.