Home / 7,368.20-11,051.21-2,687.11

Finding the Fourth Proportional to 7,368.20, 11,051.21 and 2,687.11

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Solution

The fourth proportional to 7,368.20, 11,051.21 and 2,687.11 is: 4,030.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368.20 : 11,051.21 = 2,687.11 : x
  2. Step 2: Convert to fraction form
    7,368.20/11,051.21 = 2,687.11/x
  3. Step 3: Cross multiply
    7,368.20x = 11,051.21 × 2,687.11
  4. Step 4: Simplify right side
    7,368.20x = 29,695,817.28
  5. Step 5: Solve for x
    x = 29,695,817.28/7,368.20
  6. Step 6: Final answer
    x = 4,030.27

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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.