Home / 12,553.20-17,325.36-9,028.08

Finding the Fourth Proportional to 12,553.20, 17,325.36 and 9,028.08

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Solution

The fourth proportional to 12,553.20, 17,325.36 and 9,028.08 is: 12,460.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.20 : 17,325.36 = 9,028.08 : x
  2. Step 2: Convert to fraction form
    12,553.20/17,325.36 = 9,028.08/x
  3. Step 3: Cross multiply
    12,553.20x = 17,325.36 × 9,028.08
  4. Step 4: Simplify right side
    12,553.20x = 156,414,736.11
  5. Step 5: Solve for x
    x = 156,414,736.11/12,553.20
  6. Step 6: Final answer
    x = 12,460.15

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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.