Home / 11,007.36-16,511.04-4,080.24

Finding the Fourth Proportional to 11,007.36, 16,511.04 and 4,080.24

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Solution

The fourth proportional to 11,007.36, 16,511.04 and 4,080.24 is: 6,120.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.36 : 16,511.04 = 4,080.24 : x
  2. Step 2: Convert to fraction form
    11,007.36/16,511.04 = 4,080.24/x
  3. Step 3: Cross multiply
    11,007.36x = 16,511.04 × 4,080.24
  4. Step 4: Simplify right side
    11,007.36x = 67,369,005.85
  5. Step 5: Solve for x
    x = 67,369,005.85/11,007.36
  6. Step 6: Final answer
    x = 6,120.36

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Half scale
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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.