Home / 11,007.58-15,185.32-6,468.76

Finding the Fourth Proportional to 11,007.58, 15,185.32 and 6,468.76

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Solution

The fourth proportional to 11,007.58, 15,185.32 and 6,468.76 is: 8,923.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.58 : 15,185.32 = 6,468.76 : x
  2. Step 2: Convert to fraction form
    11,007.58/15,185.32 = 6,468.76/x
  3. Step 3: Cross multiply
    11,007.58x = 15,185.32 × 6,468.76
  4. Step 4: Simplify right side
    11,007.58x = 98,230,190.60
  5. Step 5: Solve for x
    x = 98,230,190.60/11,007.58
  6. Step 6: Final answer
    x = 8,923.87

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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.