Home / 10,979.56-16,464.30-4,736.58

Finding the Fourth Proportional to 10,979.56, 16,464.30 and 4,736.58

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Solution

The fourth proportional to 10,979.56, 16,464.30 and 4,736.58 is: 7,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,979.56 : 16,464.30 = 4,736.58 : x
  2. Step 2: Convert to fraction form
    10,979.56/16,464.30 = 4,736.58/x
  3. Step 3: Cross multiply
    10,979.56x = 16,464.30 × 4,736.58
  4. Step 4: Simplify right side
    10,979.56x = 77,984,474.09
  5. Step 5: Solve for x
    x = 77,984,474.09/10,979.56
  6. Step 6: Final answer
    x = 7,102.70

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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.