Home / 10,684.94-16,033.14-5,490.81

Finding the Fourth Proportional to 10,684.94, 16,033.14 and 5,490.81

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Solution

The fourth proportional to 10,684.94, 16,033.14 and 5,490.81 is: 8,239.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,684.94 : 16,033.14 = 5,490.81 : x
  2. Step 2: Convert to fraction form
    10,684.94/16,033.14 = 5,490.81/x
  3. Step 3: Cross multiply
    10,684.94x = 16,033.14 × 5,490.81
  4. Step 4: Simplify right side
    10,684.94x = 88,034,925.44
  5. Step 5: Solve for x
    x = 88,034,925.44/10,684.94
  6. Step 6: Final answer
    x = 8,239.16

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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.