Home / 11,460.10-17,190.15-8,544.10

Finding the Fourth Proportional to 11,460.10, 17,190.15 and 8,544.10

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Solution

The fourth proportional to 11,460.10, 17,190.15 and 8,544.10 is: 12,816.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,460.10 : 17,190.15 = 8,544.10 : x
  2. Step 2: Convert to fraction form
    11,460.10/17,190.15 = 8,544.10/x
  3. Step 3: Cross multiply
    11,460.10x = 17,190.15 × 8,544.10
  4. Step 4: Simplify right side
    11,460.10x = 146,874,360.62
  5. Step 5: Solve for x
    x = 146,874,360.62/11,460.10
  6. Step 6: Final answer
    x = 12,816.15

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Half 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.