Home / 10,650.15-15,975.22-2,858.96

Finding the Fourth Proportional to 10,650.15, 15,975.22 and 2,858.96

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Solution

The fourth proportional to 10,650.15, 15,975.22 and 2,858.96 is: 4,288.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,650.15 : 15,975.22 = 2,858.96 : x
  2. Step 2: Convert to fraction form
    10,650.15/15,975.22 = 2,858.96/x
  3. Step 3: Cross multiply
    10,650.15x = 15,975.22 × 2,858.96
  4. Step 4: Simplify right side
    10,650.15x = 45,672,475.70
  5. Step 5: Solve for x
    x = 45,672,475.70/10,650.15
  6. Step 6: Final answer
    x = 4,288.44

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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.