Home / 10,106.98-15,166.92-4,910.02

Finding the Fourth Proportional to 10,106.98, 15,166.92 and 4,910.02

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Solution

The fourth proportional to 10,106.98, 15,166.92 and 4,910.02 is: 7,368.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.98 : 15,166.92 = 4,910.02 : x
  2. Step 2: Convert to fraction form
    10,106.98/15,166.92 = 4,910.02/x
  3. Step 3: Cross multiply
    10,106.98x = 15,166.92 × 4,910.02
  4. Step 4: Simplify right side
    10,106.98x = 74,469,880.54
  5. Step 5: Solve for x
    x = 74,469,880.54/10,106.98
  6. Step 6: Final answer
    x = 7,368.16

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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.