Home / 11,207.10-16,809.96-4,965.28

Finding the Fourth Proportional to 11,207.10, 16,809.96 and 4,965.28

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Solution

The fourth proportional to 11,207.10, 16,809.96 and 4,965.28 is: 7,447.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.10 : 16,809.96 = 4,965.28 : x
  2. Step 2: Convert to fraction form
    11,207.10/16,809.96 = 4,965.28/x
  3. Step 3: Cross multiply
    11,207.10x = 16,809.96 × 4,965.28
  4. Step 4: Simplify right side
    11,207.10x = 83,466,158.19
  5. Step 5: Solve for x
    x = 83,466,158.19/11,207.10
  6. Step 6: Final answer
    x = 7,447.61

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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.