Home / 11,890.06-16,393.36-7,633.62

Finding the Fourth Proportional to 11,890.06, 16,393.36 and 7,633.62

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Solution

The fourth proportional to 11,890.06, 16,393.36 and 7,633.62 is: 10,524.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.06 : 16,393.36 = 7,633.62 : x
  2. Step 2: Convert to fraction form
    11,890.06/16,393.36 = 7,633.62/x
  3. Step 3: Cross multiply
    11,890.06x = 16,393.36 × 7,633.62
  4. Step 4: Simplify right side
    11,890.06x = 125,140,680.76
  5. Step 5: Solve for x
    x = 125,140,680.76/11,890.06
  6. Step 6: Final answer
    x = 10,524.81

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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.