Home / 10,918.66-16,382.84-5,723.32

Finding the Fourth Proportional to 10,918.66, 16,382.84 and 5,723.32

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Solution

The fourth proportional to 10,918.66, 16,382.84 and 5,723.32 is: 8,587.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918.66 : 16,382.84 = 5,723.32 : x
  2. Step 2: Convert to fraction form
    10,918.66/16,382.84 = 5,723.32/x
  3. Step 3: Cross multiply
    10,918.66x = 16,382.84 × 5,723.32
  4. Step 4: Simplify right side
    10,918.66x = 93,764,235.83
  5. Step 5: Solve for x
    x = 93,764,235.83/10,918.66
  6. Step 6: Final answer
    x = 8,587.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.