Home / 10,076.20-15,114.30-6,382.60

Finding the Fourth Proportional to 10,076.20, 15,114.30 and 6,382.60

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Solution

The fourth proportional to 10,076.20, 15,114.30 and 6,382.60 is: 9,573.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076.20 : 15,114.30 = 6,382.60 : x
  2. Step 2: Convert to fraction form
    10,076.20/15,114.30 = 6,382.60/x
  3. Step 3: Cross multiply
    10,076.20x = 15,114.30 × 6,382.60
  4. Step 4: Simplify right side
    10,076.20x = 96,468,531.18
  5. Step 5: Solve for x
    x = 96,468,531.18/10,076.20
  6. Step 6: Final answer
    x = 9,573.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.