Home / 8,080.81-11,151.58-4,543.99

Finding the Fourth Proportional to 8,080.81, 11,151.58 and 4,543.99

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Solution

The fourth proportional to 8,080.81, 11,151.58 and 4,543.99 is: 6,270.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.81 : 11,151.58 = 4,543.99 : x
  2. Step 2: Convert to fraction form
    8,080.81/11,151.58 = 4,543.99/x
  3. Step 3: Cross multiply
    8,080.81x = 11,151.58 × 4,543.99
  4. Step 4: Simplify right side
    8,080.81x = 50,672,612.25
  5. Step 5: Solve for x
    x = 50,672,612.25/8,080.81
  6. Step 6: Final answer
    x = 6,270.74

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.