Home / 7,422.48-11,133.70-3,039.94

Finding the Fourth Proportional to 7,422.48, 11,133.70 and 3,039.94

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Solution

The fourth proportional to 7,422.48, 11,133.70 and 3,039.94 is: 4,559.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.48 : 11,133.70 = 3,039.94 : x
  2. Step 2: Convert to fraction form
    7,422.48/11,133.70 = 3,039.94/x
  3. Step 3: Cross multiply
    7,422.48x = 11,133.70 × 3,039.94
  4. Step 4: Simplify right side
    7,422.48x = 33,845,779.98
  5. Step 5: Solve for x
    x = 33,845,779.98/7,422.48
  6. Step 6: Final answer
    x = 4,559.90

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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.