Home / 11,207.70-16,815.15-4,965.30

Finding the Fourth Proportional to 11,207.70, 16,815.15 and 4,965.30

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Solution

The fourth proportional to 11,207.70, 16,815.15 and 4,965.30 is: 7,449.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.70 : 16,815.15 = 4,965.30 : x
  2. Step 2: Convert to fraction form
    11,207.70/16,815.15 = 4,965.30/x
  3. Step 3: Cross multiply
    11,207.70x = 16,815.15 × 4,965.30
  4. Step 4: Simplify right side
    11,207.70x = 83,492,264.30
  5. Step 5: Solve for x
    x = 83,492,264.30/11,207.70
  6. Step 6: Final answer
    x = 7,449.54

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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.