Home / 12,476.10-18,713.92-4,156.73

Finding the Fourth Proportional to 12,476.10, 18,713.92 and 4,156.73

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Solution

The fourth proportional to 12,476.10, 18,713.92 and 4,156.73 is: 6,235.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.10 : 18,713.92 = 4,156.73 : x
  2. Step 2: Convert to fraction form
    12,476.10/18,713.92 = 4,156.73/x
  3. Step 3: Cross multiply
    12,476.10x = 18,713.92 × 4,156.73
  4. Step 4: Simplify right side
    12,476.10x = 77,788,712.68
  5. Step 5: Solve for x
    x = 77,788,712.68/12,476.10
  6. Step 6: Final answer
    x = 6,235.02

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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.