Home / 11,829.76-16,310.09-7,795.96

Finding the Fourth Proportional to 11,829.76, 16,310.09 and 7,795.96

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Solution

The fourth proportional to 11,829.76, 16,310.09 and 7,795.96 is: 10,748.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,829.76 : 16,310.09 = 7,795.96 : x
  2. Step 2: Convert to fraction form
    11,829.76/16,310.09 = 7,795.96/x
  3. Step 3: Cross multiply
    11,829.76x = 16,310.09 × 7,795.96
  4. Step 4: Simplify right side
    11,829.76x = 127,152,688.71
  5. Step 5: Solve for x
    x = 127,152,688.71/11,829.76
  6. Step 6: Final answer
    x = 10,748.55

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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.