Home / 12,495.24-17,244.66-7,190.28

Finding the Fourth Proportional to 12,495.24, 17,244.66 and 7,190.28

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Solution

The fourth proportional to 12,495.24, 17,244.66 and 7,190.28 is: 9,923.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495.24 : 17,244.66 = 7,190.28 : x
  2. Step 2: Convert to fraction form
    12,495.24/17,244.66 = 7,190.28/x
  3. Step 3: Cross multiply
    12,495.24x = 17,244.66 × 7,190.28
  4. Step 4: Simplify right side
    12,495.24x = 123,993,933.90
  5. Step 5: Solve for x
    x = 123,993,933.90/12,495.24
  6. Step 6: Final answer
    x = 9,923.29

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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.