Home / 11,216.17-16,827.54-3,318.89

Finding the Fourth Proportional to 11,216.17, 16,827.54 and 3,318.89

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Solution

The fourth proportional to 11,216.17, 16,827.54 and 3,318.89 is: 4,979.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.17 : 16,827.54 = 3,318.89 : x
  2. Step 2: Convert to fraction form
    11,216.17/16,827.54 = 3,318.89/x
  3. Step 3: Cross multiply
    11,216.17x = 16,827.54 × 3,318.89
  4. Step 4: Simplify right side
    11,216.17x = 55,848,670.09
  5. Step 5: Solve for x
    x = 55,848,670.09/11,216.17
  6. Step 6: Final answer
    x = 4,979.30

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1.5x scale

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.