Home / 9,070.12-13,607.79-3,227.20

Finding the Fourth Proportional to 9,070.12, 13,607.79 and 3,227.20

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Solution

The fourth proportional to 9,070.12, 13,607.79 and 3,227.20 is: 4,841.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.12 : 13,607.79 = 3,227.20 : x
  2. Step 2: Convert to fraction form
    9,070.12/13,607.79 = 3,227.20/x
  3. Step 3: Cross multiply
    9,070.12x = 13,607.79 × 3,227.20
  4. Step 4: Simplify right side
    9,070.12x = 43,915,059.89
  5. Step 5: Solve for x
    x = 43,915,059.89/9,070.12
  6. Step 6: Final answer
    x = 4,841.73

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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.