Home / 12,402.24-17,114.80-6,736.86

Finding the Fourth Proportional to 12,402.24, 17,114.80 and 6,736.86

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Solution

The fourth proportional to 12,402.24, 17,114.80 and 6,736.86 is: 9,296.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402.24 : 17,114.80 = 6,736.86 : x
  2. Step 2: Convert to fraction form
    12,402.24/17,114.80 = 6,736.86/x
  3. Step 3: Cross multiply
    12,402.24x = 17,114.80 × 6,736.86
  4. Step 4: Simplify right side
    12,402.24x = 115,299,950.25
  5. Step 5: Solve for x
    x = 115,299,950.25/12,402.24
  6. Step 6: Final answer
    x = 9,296.71

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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.