Home / 10,025.25-15,037.88-3,099.75

Finding the Fourth Proportional to 10,025.25, 15,037.88 and 3,099.75

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Solution

The fourth proportional to 10,025.25, 15,037.88 and 3,099.75 is: 4,649.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,025.25 : 15,037.88 = 3,099.75 : x
  2. Step 2: Convert to fraction form
    10,025.25/15,037.88 = 3,099.75/x
  3. Step 3: Cross multiply
    10,025.25x = 15,037.88 × 3,099.75
  4. Step 4: Simplify right side
    10,025.25x = 46,613,653.03
  5. Step 5: Solve for x
    x = 46,613,653.03/10,025.25
  6. Step 6: Final answer
    x = 4,649.63

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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.