Home / 11,120.24-15,351.54-8,596.65

Finding the Fourth Proportional to 11,120.24, 15,351.54 and 8,596.65

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Solution

The fourth proportional to 11,120.24, 15,351.54 and 8,596.65 is: 11,867.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.24 : 15,351.54 = 8,596.65 : x
  2. Step 2: Convert to fraction form
    11,120.24/15,351.54 = 8,596.65/x
  3. Step 3: Cross multiply
    11,120.24x = 15,351.54 × 8,596.65
  4. Step 4: Simplify right side
    11,120.24x = 131,971,816.34
  5. Step 5: Solve for x
    x = 131,971,816.34/11,120.24
  6. Step 6: Final answer
    x = 11,867.71

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Half scale
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Double scale
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1.5x scale

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.