Home / 8,731.44-12,048.30-4,954.32

Finding the Fourth Proportional to 8,731.44, 12,048.30 and 4,954.32

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Solution

The fourth proportional to 8,731.44, 12,048.30 and 4,954.32 is: 6,836.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.44 : 12,048.30 = 4,954.32 : x
  2. Step 2: Convert to fraction form
    8,731.44/12,048.30 = 4,954.32/x
  3. Step 3: Cross multiply
    8,731.44x = 12,048.30 × 4,954.32
  4. Step 4: Simplify right side
    8,731.44x = 59,691,133.66
  5. Step 5: Solve for x
    x = 59,691,133.66/8,731.44
  6. Step 6: Final answer
    x = 6,836.34

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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.