Home / 10,850.14-16,275.21-8,507.62

Finding the Fourth Proportional to 10,850.14, 16,275.21 and 8,507.62

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Solution

The fourth proportional to 10,850.14, 16,275.21 and 8,507.62 is: 12,761.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,850.14 : 16,275.21 = 8,507.62 : x
  2. Step 2: Convert to fraction form
    10,850.14/16,275.21 = 8,507.62/x
  3. Step 3: Cross multiply
    10,850.14x = 16,275.21 × 8,507.62
  4. Step 4: Simplify right side
    10,850.14x = 138,463,302.10
  5. Step 5: Solve for x
    x = 138,463,302.10/10,850.14
  6. Step 6: Final answer
    x = 12,761.43

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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.