Home / 11,930.24-16,464.72-6,625.40

Finding the Fourth Proportional to 11,930.24, 16,464.72 and 6,625.40

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Solution

The fourth proportional to 11,930.24, 16,464.72 and 6,625.40 is: 9,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.24 : 16,464.72 = 6,625.40 : x
  2. Step 2: Convert to fraction form
    11,930.24/16,464.72 = 6,625.40/x
  3. Step 3: Cross multiply
    11,930.24x = 16,464.72 × 6,625.40
  4. Step 4: Simplify right side
    11,930.24x = 109,085,355.89
  5. Step 5: Solve for x
    x = 109,085,355.89/11,930.24
  6. Step 6: Final answer
    x = 9,143.60

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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.