Home / 10,147.06-15,222.48-3,577.42

Finding the Fourth Proportional to 10,147.06, 15,222.48 and 3,577.42

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Solution

The fourth proportional to 10,147.06, 15,222.48 and 3,577.42 is: 5,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.06 : 15,222.48 = 3,577.42 : x
  2. Step 2: Convert to fraction form
    10,147.06/15,222.48 = 3,577.42/x
  3. Step 3: Cross multiply
    10,147.06x = 15,222.48 × 3,577.42
  4. Step 4: Simplify right side
    10,147.06x = 54,457,204.40
  5. Step 5: Solve for x
    x = 54,457,204.40/10,147.06
  6. Step 6: Final answer
    x = 5,366.80

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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.