Home / 11,166.28-16,725.90-5,317

Finding the Fourth Proportional to 11,166.28, 16,725.90 and 5,317

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Solution

The fourth proportional to 11,166.28, 16,725.90 and 5,317 is: 7,964.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.28 : 16,725.90 = 5,317 : x
  2. Step 2: Convert to fraction form
    11,166.28/16,725.90 = 5,317/x
  3. Step 3: Cross multiply
    11,166.28x = 16,725.90 × 5,317
  4. Step 4: Simplify right side
    11,166.28x = 88,931,610.30
  5. Step 5: Solve for x
    x = 88,931,610.30/11,166.28
  6. Step 6: Final answer
    x = 7,964.30

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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.