Home / 8,731.85-12,060.77-6,338.00

Finding the Fourth Proportional to 8,731.85, 12,060.77 and 6,338.00

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Solution

The fourth proportional to 8,731.85, 12,060.77 and 6,338.00 is: 8,754.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.85 : 12,060.77 = 6,338.00 : x
  2. Step 2: Convert to fraction form
    8,731.85/12,060.77 = 6,338.00/x
  3. Step 3: Cross multiply
    8,731.85x = 12,060.77 × 6,338.00
  4. Step 4: Simplify right side
    8,731.85x = 76,441,144.36
  5. Step 5: Solve for x
    x = 76,441,144.36/8,731.85
  6. Step 6: Final answer
    x = 8,754.29

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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.