Home / 11,147.16-16,720.74-4,573.32

Finding the Fourth Proportional to 11,147.16, 16,720.74 and 4,573.32

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Solution

The fourth proportional to 11,147.16, 16,720.74 and 4,573.32 is: 6,859.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147.16 : 16,720.74 = 4,573.32 : x
  2. Step 2: Convert to fraction form
    11,147.16/16,720.74 = 4,573.32/x
  3. Step 3: Cross multiply
    11,147.16x = 16,720.74 × 4,573.32
  4. Step 4: Simplify right side
    11,147.16x = 76,469,294.66
  5. Step 5: Solve for x
    x = 76,469,294.66/11,147.16
  6. Step 6: Final answer
    x = 6,859.98

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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.