Home / 17,087.12-25,630.80-4,775.12

Finding the Fourth Proportional to 17,087.12, 25,630.80 and 4,775.12

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Solution

The fourth proportional to 17,087.12, 25,630.80 and 4,775.12 is: 7,162.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,087.12 : 25,630.80 = 4,775.12 : x
  2. Step 2: Convert to fraction form
    17,087.12/25,630.80 = 4,775.12/x
  3. Step 3: Cross multiply
    17,087.12x = 25,630.80 × 4,775.12
  4. Step 4: Simplify right side
    17,087.12x = 122,390,145.70
  5. Step 5: Solve for x
    x = 122,390,145.70/17,087.12
  6. Step 6: Final answer
    x = 7,162.71

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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.