Home / 8,623.12-11,899.80-4,896.88

Finding the Fourth Proportional to 8,623.12, 11,899.80 and 4,896.88

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Solution

The fourth proportional to 8,623.12, 11,899.80 and 4,896.88 is: 6,757.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.12 : 11,899.80 = 4,896.88 : x
  2. Step 2: Convert to fraction form
    8,623.12/11,899.80 = 4,896.88/x
  3. Step 3: Cross multiply
    8,623.12x = 11,899.80 × 4,896.88
  4. Step 4: Simplify right side
    8,623.12x = 58,271,892.62
  5. Step 5: Solve for x
    x = 58,271,892.62/8,623.12
  6. Step 6: Final answer
    x = 6,757.63

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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.