Home / 13,006.86-17,951.76-7,704.27

Finding the Fourth Proportional to 13,006.86, 17,951.76 and 7,704.27

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Solution

The fourth proportional to 13,006.86, 17,951.76 and 7,704.27 is: 10,633.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006.86 : 17,951.76 = 7,704.27 : x
  2. Step 2: Convert to fraction form
    13,006.86/17,951.76 = 7,704.27/x
  3. Step 3: Cross multiply
    13,006.86x = 17,951.76 × 7,704.27
  4. Step 4: Simplify right side
    13,006.86x = 138,305,206.02
  5. Step 5: Solve for x
    x = 138,305,206.02/13,006.86
  6. Step 6: Final answer
    x = 10,633.25

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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.