Home / 11,557.78-15,949.64-6,522.04

Finding the Fourth Proportional to 11,557.78, 15,949.64 and 6,522.04

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Solution

The fourth proportional to 11,557.78, 15,949.64 and 6,522.04 is: 9,000.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,557.78 : 15,949.64 = 6,522.04 : x
  2. Step 2: Convert to fraction form
    11,557.78/15,949.64 = 6,522.04/x
  3. Step 3: Cross multiply
    11,557.78x = 15,949.64 × 6,522.04
  4. Step 4: Simplify right side
    11,557.78x = 104,024,190.07
  5. Step 5: Solve for x
    x = 104,024,190.07/11,557.78
  6. Step 6: Final answer
    x = 9,000.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.