Home / 10,774.64-16,161.98-2,983.47

Finding the Fourth Proportional to 10,774.64, 16,161.98 and 2,983.47

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Solution

The fourth proportional to 10,774.64, 16,161.98 and 2,983.47 is: 4,475.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,774.64 : 16,161.98 = 2,983.47 : x
  2. Step 2: Convert to fraction form
    10,774.64/16,161.98 = 2,983.47/x
  3. Step 3: Cross multiply
    10,774.64x = 16,161.98 × 2,983.47
  4. Step 4: Simplify right side
    10,774.64x = 48,218,767.55
  5. Step 5: Solve for x
    x = 48,218,767.55/10,774.64
  6. Step 6: Final answer
    x = 4,475.21

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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.