Home / 7,421.98-11,133.42-3,263.94

Finding the Fourth Proportional to 7,421.98, 11,133.42 and 3,263.94

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Solution

The fourth proportional to 7,421.98, 11,133.42 and 3,263.94 is: 4,896.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.98 : 11,133.42 = 3,263.94 : x
  2. Step 2: Convert to fraction form
    7,421.98/11,133.42 = 3,263.94/x
  3. Step 3: Cross multiply
    7,421.98x = 11,133.42 × 3,263.94
  4. Step 4: Simplify right side
    7,421.98x = 36,338,868.86
  5. Step 5: Solve for x
    x = 36,338,868.86/7,421.98
  6. Step 6: Final answer
    x = 4,896.12

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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.