Home / 8,274.64-11,431.56-6,175.12

Finding the Fourth Proportional to 8,274.64, 11,431.56 and 6,175.12

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Solution

The fourth proportional to 8,274.64, 11,431.56 and 6,175.12 is: 8,531.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,274.64 : 11,431.56 = 6,175.12 : x
  2. Step 2: Convert to fraction form
    8,274.64/11,431.56 = 6,175.12/x
  3. Step 3: Cross multiply
    8,274.64x = 11,431.56 × 6,175.12
  4. Step 4: Simplify right side
    8,274.64x = 70,591,254.79
  5. Step 5: Solve for x
    x = 70,591,254.79/8,274.64
  6. Step 6: Final answer
    x = 8,531.04

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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.