Home / 7,929.18-11,898.32-3,546.07

Finding the Fourth Proportional to 7,929.18, 11,898.32 and 3,546.07

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Solution

The fourth proportional to 7,929.18, 11,898.32 and 3,546.07 is: 5,321.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.18 : 11,898.32 = 3,546.07 : x
  2. Step 2: Convert to fraction form
    7,929.18/11,898.32 = 3,546.07/x
  3. Step 3: Cross multiply
    7,929.18x = 11,898.32 × 3,546.07
  4. Step 4: Simplify right side
    7,929.18x = 42,192,275.60
  5. Step 5: Solve for x
    x = 42,192,275.60/7,929.18
  6. Step 6: Final answer
    x = 5,321.14

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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.