Home / 11,059.65-16,589.49-9,107.75

Finding the Fourth Proportional to 11,059.65, 16,589.49 and 9,107.75

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Solution

The fourth proportional to 11,059.65, 16,589.49 and 9,107.75 is: 13,661.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,059.65 : 16,589.49 = 9,107.75 : x
  2. Step 2: Convert to fraction form
    11,059.65/16,589.49 = 9,107.75/x
  3. Step 3: Cross multiply
    11,059.65x = 16,589.49 × 9,107.75
  4. Step 4: Simplify right side
    11,059.65x = 151,092,927.55
  5. Step 5: Solve for x
    x = 151,092,927.55/11,059.65
  6. Step 6: Final answer
    x = 13,661.64

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Double scale
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Similar ratio
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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.