Home / 8,080.64-11,151.21-4,543.88

Finding the Fourth Proportional to 8,080.64, 11,151.21 and 4,543.88

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Solution

The fourth proportional to 8,080.64, 11,151.21 and 4,543.88 is: 6,270.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.64 : 11,151.21 = 4,543.88 : x
  2. Step 2: Convert to fraction form
    8,080.64/11,151.21 = 4,543.88/x
  3. Step 3: Cross multiply
    8,080.64x = 11,151.21 × 4,543.88
  4. Step 4: Simplify right side
    8,080.64x = 50,669,763.20
  5. Step 5: Solve for x
    x = 50,669,763.20/8,080.64
  6. Step 6: Final answer
    x = 6,270.51

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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.