Home / 7,929.36-11,866.14-6,365.52

Finding the Fourth Proportional to 7,929.36, 11,866.14 and 6,365.52

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Solution

The fourth proportional to 7,929.36, 11,866.14 and 6,365.52 is: 9,525.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.36 : 11,866.14 = 6,365.52 : x
  2. Step 2: Convert to fraction form
    7,929.36/11,866.14 = 6,365.52/x
  3. Step 3: Cross multiply
    7,929.36x = 11,866.14 × 6,365.52
  4. Step 4: Simplify right side
    7,929.36x = 75,534,151.49
  5. Step 5: Solve for x
    x = 75,534,151.49/7,929.36
  6. Step 6: Final answer
    x = 9,525.88

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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.