Home / 10,702.08-16,035.84-4,120.56

Finding the Fourth Proportional to 10,702.08, 16,035.84 and 4,120.56

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Solution

The fourth proportional to 10,702.08, 16,035.84 and 4,120.56 is: 6,174.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,702.08 : 16,035.84 = 4,120.56 : x
  2. Step 2: Convert to fraction form
    10,702.08/16,035.84 = 4,120.56/x
  3. Step 3: Cross multiply
    10,702.08x = 16,035.84 × 4,120.56
  4. Step 4: Simplify right side
    10,702.08x = 66,076,640.87
  5. Step 5: Solve for x
    x = 66,076,640.87/10,702.08
  6. Step 6: Final answer
    x = 6,174.19

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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.