Home / 8,056.68-11,116.02-4,912.80

Finding the Fourth Proportional to 8,056.68, 11,116.02 and 4,912.80

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Solution

The fourth proportional to 8,056.68, 11,116.02 and 4,912.80 is: 6,778.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,056.68 : 11,116.02 = 4,912.80 : x
  2. Step 2: Convert to fraction form
    8,056.68/11,116.02 = 4,912.80/x
  3. Step 3: Cross multiply
    8,056.68x = 11,116.02 × 4,912.80
  4. Step 4: Simplify right side
    8,056.68x = 54,610,783.06
  5. Step 5: Solve for x
    x = 54,610,783.06/8,056.68
  6. Step 6: Final answer
    x = 6,778.32

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Half 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.