Home / 11,382.25-15,706.35-6,346.00

Finding the Fourth Proportional to 11,382.25, 15,706.35 and 6,346.00

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Solution

The fourth proportional to 11,382.25, 15,706.35 and 6,346.00 is: 8,756.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,382.25 : 15,706.35 = 6,346.00 : x
  2. Step 2: Convert to fraction form
    11,382.25/15,706.35 = 6,346.00/x
  3. Step 3: Cross multiply
    11,382.25x = 15,706.35 × 6,346.00
  4. Step 4: Simplify right side
    11,382.25x = 99,672,410.54
  5. Step 5: Solve for x
    x = 99,672,410.54/11,382.25
  6. Step 6: Final answer
    x = 8,756.83

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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.