Home / 10,204.66-14,082.43-5,729.86

Finding the Fourth Proportional to 10,204.66, 14,082.43 and 5,729.86

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Solution

The fourth proportional to 10,204.66, 14,082.43 and 5,729.86 is: 7,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204.66 : 14,082.43 = 5,729.86 : x
  2. Step 2: Convert to fraction form
    10,204.66/14,082.43 = 5,729.86/x
  3. Step 3: Cross multiply
    10,204.66x = 14,082.43 × 5,729.86
  4. Step 4: Simplify right side
    10,204.66x = 80,690,281.95
  5. Step 5: Solve for x
    x = 80,690,281.95/10,204.66
  6. Step 6: Final answer
    x = 7,907.20

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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.