Home / 12,028.90-16,589.13-7,553.07

Finding the Fourth Proportional to 12,028.90, 16,589.13 and 7,553.07

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Solution

The fourth proportional to 12,028.90, 16,589.13 and 7,553.07 is: 10,416.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.90 : 16,589.13 = 7,553.07 : x
  2. Step 2: Convert to fraction form
    12,028.90/16,589.13 = 7,553.07/x
  3. Step 3: Cross multiply
    12,028.90x = 16,589.13 × 7,553.07
  4. Step 4: Simplify right side
    12,028.90x = 125,298,860.13
  5. Step 5: Solve for x
    x = 125,298,860.13/12,028.90
  6. Step 6: Final answer
    x = 10,416.49

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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.