Home / 9,961.56-14,949.30-4,118.22

Finding the Fourth Proportional to 9,961.56, 14,949.30 and 4,118.22

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Solution

The fourth proportional to 9,961.56, 14,949.30 and 4,118.22 is: 6,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,961.56 : 14,949.30 = 4,118.22 : x
  2. Step 2: Convert to fraction form
    9,961.56/14,949.30 = 4,118.22/x
  3. Step 3: Cross multiply
    9,961.56x = 14,949.30 × 4,118.22
  4. Step 4: Simplify right side
    9,961.56x = 61,564,506.25
  5. Step 5: Solve for x
    x = 61,564,506.25/9,961.56
  6. Step 6: Final answer
    x = 6,180.21

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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.