Home / 16,213.05-24,318.36-5,120.10

Finding the Fourth Proportional to 16,213.05, 24,318.36 and 5,120.10

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Solution

The fourth proportional to 16,213.05, 24,318.36 and 5,120.10 is: 7,679.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,213.05 : 24,318.36 = 5,120.10 : x
  2. Step 2: Convert to fraction form
    16,213.05/24,318.36 = 5,120.10/x
  3. Step 3: Cross multiply
    16,213.05x = 24,318.36 × 5,120.10
  4. Step 4: Simplify right side
    16,213.05x = 124,512,435.04
  5. Step 5: Solve for x
    x = 124,512,435.04/16,213.05
  6. Step 6: Final answer
    x = 7,679.77

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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.