Home / 7,932.52-11,890.14-5,329

Finding the Fourth Proportional to 7,932.52, 11,890.14 and 5,329

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Solution

The fourth proportional to 7,932.52, 11,890.14 and 5,329 is: 7,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.52 : 11,890.14 = 5,329 : x
  2. Step 2: Convert to fraction form
    7,932.52/11,890.14 = 5,329/x
  3. Step 3: Cross multiply
    7,932.52x = 11,890.14 × 5,329
  4. Step 4: Simplify right side
    7,932.52x = 63,362,556.06
  5. Step 5: Solve for x
    x = 63,362,556.06/7,932.52
  6. Step 6: Final answer
    x = 7,987.70

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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.