Home / 12,439.24-17,166.12-6,850.24

Finding the Fourth Proportional to 12,439.24, 17,166.12 and 6,850.24

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Solution

The fourth proportional to 12,439.24, 17,166.12 and 6,850.24 is: 9,453.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,439.24 : 17,166.12 = 6,850.24 : x
  2. Step 2: Convert to fraction form
    12,439.24/17,166.12 = 6,850.24/x
  3. Step 3: Cross multiply
    12,439.24x = 17,166.12 × 6,850.24
  4. Step 4: Simplify right side
    12,439.24x = 117,592,041.87
  5. Step 5: Solve for x
    x = 117,592,041.87/12,439.24
  6. Step 6: Final answer
    x = 9,453.31

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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.