Home / 10,100.34-15,153.59-5,173.46

Finding the Fourth Proportional to 10,100.34, 15,153.59 and 5,173.46

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Solution

The fourth proportional to 10,100.34, 15,153.59 and 5,173.46 is: 7,761.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.34 : 15,153.59 = 5,173.46 : x
  2. Step 2: Convert to fraction form
    10,100.34/15,153.59 = 5,173.46/x
  3. Step 3: Cross multiply
    10,100.34x = 15,153.59 × 5,173.46
  4. Step 4: Simplify right side
    10,100.34x = 78,396,491.72
  5. Step 5: Solve for x
    x = 78,396,491.72/10,100.34
  6. Step 6: Final answer
    x = 7,761.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.