Home / 8,156.75-11,257.28-4,844.75

Finding the Fourth Proportional to 8,156.75, 11,257.28 and 4,844.75

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Solution

The fourth proportional to 8,156.75, 11,257.28 and 4,844.75 is: 6,686.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.75 : 11,257.28 = 4,844.75 : x
  2. Step 2: Convert to fraction form
    8,156.75/11,257.28 = 4,844.75/x
  3. Step 3: Cross multiply
    8,156.75x = 11,257.28 × 4,844.75
  4. Step 4: Simplify right side
    8,156.75x = 54,538,683.06
  5. Step 5: Solve for x
    x = 54,538,683.06/8,156.75
  6. Step 6: Final answer
    x = 6,686.33

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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.