Home / 10,466.50-15,699.75-3,170.50

Finding the Fourth Proportional to 10,466.50, 15,699.75 and 3,170.50

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Solution

The fourth proportional to 10,466.50, 15,699.75 and 3,170.50 is: 4,755.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,466.50 : 15,699.75 = 3,170.50 : x
  2. Step 2: Convert to fraction form
    10,466.50/15,699.75 = 3,170.50/x
  3. Step 3: Cross multiply
    10,466.50x = 15,699.75 × 3,170.50
  4. Step 4: Simplify right side
    10,466.50x = 49,776,057.38
  5. Step 5: Solve for x
    x = 49,776,057.38/10,466.50
  6. Step 6: Final answer
    x = 4,755.75

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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.