Home / 11,057.65-16,586.49-9,105.75

Finding the Fourth Proportional to 11,057.65, 16,586.49 and 9,105.75

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Solution

The fourth proportional to 11,057.65, 16,586.49 and 9,105.75 is: 13,658.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,057.65 : 16,586.49 = 9,105.75 : x
  2. Step 2: Convert to fraction form
    11,057.65/16,586.49 = 9,105.75/x
  3. Step 3: Cross multiply
    11,057.65x = 16,586.49 × 9,105.75
  4. Step 4: Simplify right side
    11,057.65x = 151,032,431.32
  5. Step 5: Solve for x
    x = 151,032,431.32/11,057.65
  6. Step 6: Final answer
    x = 13,658.64

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Double scale
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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.