Home / 11,693.64-16,134.58-6,977

Finding the Fourth Proportional to 11,693.64, 16,134.58 and 6,977

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Solution

The fourth proportional to 11,693.64, 16,134.58 and 6,977 is: 9,626.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,693.64 : 16,134.58 = 6,977 : x
  2. Step 2: Convert to fraction form
    11,693.64/16,134.58 = 6,977/x
  3. Step 3: Cross multiply
    11,693.64x = 16,134.58 × 6,977
  4. Step 4: Simplify right side
    11,693.64x = 112,570,964.66
  5. Step 5: Solve for x
    x = 112,570,964.66/11,693.64
  6. Step 6: Final answer
    x = 9,626.68

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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.