Home / 10,719.06-16,084.08-5,103.09

Finding the Fourth Proportional to 10,719.06, 16,084.08 and 5,103.09

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Solution

The fourth proportional to 10,719.06, 16,084.08 and 5,103.09 is: 7,657.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,719.06 : 16,084.08 = 5,103.09 : x
  2. Step 2: Convert to fraction form
    10,719.06/16,084.08 = 5,103.09/x
  3. Step 3: Cross multiply
    10,719.06x = 16,084.08 × 5,103.09
  4. Step 4: Simplify right side
    10,719.06x = 82,078,401.87
  5. Step 5: Solve for x
    x = 82,078,401.87/10,719.06
  6. Step 6: Final answer
    x = 7,657.24

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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.