Home / 12,301.86-16,976.54-6,712.86

Finding the Fourth Proportional to 12,301.86, 16,976.54 and 6,712.86

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Solution

The fourth proportional to 12,301.86, 16,976.54 and 6,712.86 is: 9,263.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301.86 : 16,976.54 = 6,712.86 : x
  2. Step 2: Convert to fraction form
    12,301.86/16,976.54 = 6,712.86/x
  3. Step 3: Cross multiply
    12,301.86x = 16,976.54 × 6,712.86
  4. Step 4: Simplify right side
    12,301.86x = 113,961,136.30
  5. Step 5: Solve for x
    x = 113,961,136.30/12,301.86
  6. Step 6: Final answer
    x = 9,263.73

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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.