Home / 11,715.53-17,563.65-5,472.45

Finding the Fourth Proportional to 11,715.53, 17,563.65 and 5,472.45

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Solution

The fourth proportional to 11,715.53, 17,563.65 and 5,472.45 is: 8,204.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.53 : 17,563.65 = 5,472.45 : x
  2. Step 2: Convert to fraction form
    11,715.53/17,563.65 = 5,472.45/x
  3. Step 3: Cross multiply
    11,715.53x = 17,563.65 × 5,472.45
  4. Step 4: Simplify right side
    11,715.53x = 96,116,196.44
  5. Step 5: Solve for x
    x = 96,116,196.44/11,715.53
  6. Step 6: Final answer
    x = 8,204.17

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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.