Home / 12,825.16-19,231.98-6,251.08

Finding the Fourth Proportional to 12,825.16, 19,231.98 and 6,251.08

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Solution

The fourth proportional to 12,825.16, 19,231.98 and 6,251.08 is: 9,373.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825.16 : 19,231.98 = 6,251.08 : x
  2. Step 2: Convert to fraction form
    12,825.16/19,231.98 = 6,251.08/x
  3. Step 3: Cross multiply
    12,825.16x = 19,231.98 × 6,251.08
  4. Step 4: Simplify right side
    12,825.16x = 120,220,645.54
  5. Step 5: Solve for x
    x = 120,220,645.54/12,825.16
  6. Step 6: Final answer
    x = 9,373.81

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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.