Home / 8,731.91-12,049.74-4,954.88

Finding the Fourth Proportional to 8,731.91, 12,049.74 and 4,954.88

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Solution

The fourth proportional to 8,731.91, 12,049.74 and 4,954.88 is: 6,837.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.91 : 12,049.74 = 4,954.88 : x
  2. Step 2: Convert to fraction form
    8,731.91/12,049.74 = 4,954.88/x
  3. Step 3: Cross multiply
    8,731.91x = 12,049.74 × 4,954.88
  4. Step 4: Simplify right side
    8,731.91x = 59,704,955.48
  5. Step 5: Solve for x
    x = 59,704,955.48/8,731.91
  6. Step 6: Final answer
    x = 6,837.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.