Home / 11,930.25-16,464.51-6,625.07

Finding the Fourth Proportional to 11,930.25, 16,464.51 and 6,625.07

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Solution

The fourth proportional to 11,930.25, 16,464.51 and 6,625.07 is: 9,143.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.25 : 16,464.51 = 6,625.07 : x
  2. Step 2: Convert to fraction form
    11,930.25/16,464.51 = 6,625.07/x
  3. Step 3: Cross multiply
    11,930.25x = 16,464.51 × 6,625.07
  4. Step 4: Simplify right side
    11,930.25x = 109,078,448.94
  5. Step 5: Solve for x
    x = 109,078,448.94/11,930.25
  6. Step 6: Final answer
    x = 9,143.01

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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.