Home / 10,916.59-16,376.97-3,519.06

Finding the Fourth Proportional to 10,916.59, 16,376.97 and 3,519.06

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Solution

The fourth proportional to 10,916.59, 16,376.97 and 3,519.06 is: 5,279.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.59 : 16,376.97 = 3,519.06 : x
  2. Step 2: Convert to fraction form
    10,916.59/16,376.97 = 3,519.06/x
  3. Step 3: Cross multiply
    10,916.59x = 16,376.97 × 3,519.06
  4. Step 4: Simplify right side
    10,916.59x = 57,631,564.16
  5. Step 5: Solve for x
    x = 57,631,564.16/10,916.59
  6. Step 6: Final answer
    x = 5,279.26

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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.