Home / 7,775.64-11,664.68-4,487.04

Finding the Fourth Proportional to 7,775.64, 11,664.68 and 4,487.04

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Solution

The fourth proportional to 7,775.64, 11,664.68 and 4,487.04 is: 6,731.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775.64 : 11,664.68 = 4,487.04 : x
  2. Step 2: Convert to fraction form
    7,775.64/11,664.68 = 4,487.04/x
  3. Step 3: Cross multiply
    7,775.64x = 11,664.68 × 4,487.04
  4. Step 4: Simplify right side
    7,775.64x = 52,339,863.31
  5. Step 5: Solve for x
    x = 52,339,863.31/7,775.64
  6. Step 6: Final answer
    x = 6,731.26

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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.