Home / 12,825.20-19,237.80-4,060.10

Finding the Fourth Proportional to 12,825.20, 19,237.80 and 4,060.10

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Solution

The fourth proportional to 12,825.20, 19,237.80 and 4,060.10 is: 6,090.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825.20 : 19,237.80 = 4,060.10 : x
  2. Step 2: Convert to fraction form
    12,825.20/19,237.80 = 4,060.10/x
  3. Step 3: Cross multiply
    12,825.20x = 19,237.80 × 4,060.10
  4. Step 4: Simplify right side
    12,825.20x = 78,107,391.78
  5. Step 5: Solve for x
    x = 78,107,391.78/12,825.20
  6. Step 6: Final answer
    x = 6,090.15

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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.