Home / 12,633.14-17,433.56-7,328.86

Finding the Fourth Proportional to 12,633.14, 17,433.56 and 7,328.86

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Solution

The fourth proportional to 12,633.14, 17,433.56 and 7,328.86 is: 10,113.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,633.14 : 17,433.56 = 7,328.86 : x
  2. Step 2: Convert to fraction form
    12,633.14/17,433.56 = 7,328.86/x
  3. Step 3: Cross multiply
    12,633.14x = 17,433.56 × 7,328.86
  4. Step 4: Simplify right side
    12,633.14x = 127,768,120.54
  5. Step 5: Solve for x
    x = 127,768,120.54/12,633.14
  6. Step 6: Final answer
    x = 10,113.73

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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.