Home / 6,165.12-8,507.94-3,512.58

Finding the Fourth Proportional to 6,165.12, 8,507.94 and 3,512.58

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Solution

The fourth proportional to 6,165.12, 8,507.94 and 3,512.58 is: 4,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,165.12 : 8,507.94 = 3,512.58 : x
  2. Step 2: Convert to fraction form
    6,165.12/8,507.94 = 3,512.58/x
  3. Step 3: Cross multiply
    6,165.12x = 8,507.94 × 3,512.58
  4. Step 4: Simplify right side
    6,165.12x = 29,884,819.89
  5. Step 5: Solve for x
    x = 29,884,819.89/6,165.12
  6. Step 6: Final answer
    x = 4,847.40

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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.