Home / 8,076.76-11,150.70-6,184.92

Finding the Fourth Proportional to 8,076.76, 11,150.70 and 6,184.92

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Solution

The fourth proportional to 8,076.76, 11,150.70 and 6,184.92 is: 8,538.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.76 : 11,150.70 = 6,184.92 : x
  2. Step 2: Convert to fraction form
    8,076.76/11,150.70 = 6,184.92/x
  3. Step 3: Cross multiply
    8,076.76x = 11,150.70 × 6,184.92
  4. Step 4: Simplify right side
    8,076.76x = 68,966,187.44
  5. Step 5: Solve for x
    x = 68,966,187.44/8,076.76
  6. Step 6: Final answer
    x = 8,538.84

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Half scale
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Double scale
Find fourth proportional to 8,077.76, 11,152.08 and 6,185.92
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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.