Home / 11,780.48-16,252.92-7,299.56

Finding the Fourth Proportional to 11,780.48, 16,252.92 and 7,299.56

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Solution

The fourth proportional to 11,780.48, 16,252.92 and 7,299.56 is: 10,070.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.48 : 16,252.92 = 7,299.56 : x
  2. Step 2: Convert to fraction form
    11,780.48/16,252.92 = 7,299.56/x
  3. Step 3: Cross multiply
    11,780.48x = 16,252.92 × 7,299.56
  4. Step 4: Simplify right side
    11,780.48x = 118,639,164.72
  5. Step 5: Solve for x
    x = 118,639,164.72/11,780.48
  6. Step 6: Final answer
    x = 10,070.83

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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.