Home / 12,625.11-17,423.64-6,960.86

Finding the Fourth Proportional to 12,625.11, 17,423.64 and 6,960.86

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Solution

The fourth proportional to 12,625.11, 17,423.64 and 6,960.86 is: 9,606.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.11 : 17,423.64 = 6,960.86 : x
  2. Step 2: Convert to fraction form
    12,625.11/17,423.64 = 6,960.86/x
  3. Step 3: Cross multiply
    12,625.11x = 17,423.64 × 6,960.86
  4. Step 4: Simplify right side
    12,625.11x = 121,283,518.73
  5. Step 5: Solve for x
    x = 121,283,518.73/12,625.11
  6. Step 6: Final answer
    x = 9,606.53

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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.