Home / 6,717.40-10,076.10-6,112.60

Finding the Fourth Proportional to 6,717.40, 10,076.10 and 6,112.60

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Solution

The fourth proportional to 6,717.40, 10,076.10 and 6,112.60 is: 9,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.40 : 10,076.10 = 6,112.60 : x
  2. Step 2: Convert to fraction form
    6,717.40/10,076.10 = 6,112.60/x
  3. Step 3: Cross multiply
    6,717.40x = 10,076.10 × 6,112.60
  4. Step 4: Simplify right side
    6,717.40x = 61,591,168.86
  5. Step 5: Solve for x
    x = 61,591,168.86/6,717.40
  6. Step 6: Final answer
    x = 9,168.90

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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.