Home / 7,458.23-11,186.70-3,508.56

Finding the Fourth Proportional to 7,458.23, 11,186.70 and 3,508.56

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Solution

The fourth proportional to 7,458.23, 11,186.70 and 3,508.56 is: 5,262.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.23 : 11,186.70 = 3,508.56 : x
  2. Step 2: Convert to fraction form
    7,458.23/11,186.70 = 3,508.56/x
  3. Step 3: Cross multiply
    7,458.23x = 11,186.70 × 3,508.56
  4. Step 4: Simplify right side
    7,458.23x = 39,249,208.15
  5. Step 5: Solve for x
    x = 39,249,208.15/7,458.23
  6. Step 6: Final answer
    x = 5,262.54

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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.