Home / 12,375.96-18,564.82-4,980.46

Finding the Fourth Proportional to 12,375.96, 18,564.82 and 4,980.46

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Solution

The fourth proportional to 12,375.96, 18,564.82 and 4,980.46 is: 7,471.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375.96 : 18,564.82 = 4,980.46 : x
  2. Step 2: Convert to fraction form
    12,375.96/18,564.82 = 4,980.46/x
  3. Step 3: Cross multiply
    12,375.96x = 18,564.82 × 4,980.46
  4. Step 4: Simplify right side
    12,375.96x = 92,461,343.42
  5. Step 5: Solve for x
    x = 92,461,343.42/12,375.96
  6. Step 6: Final answer
    x = 7,471.04

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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.