Home / 10,197.53-14,072.36-5,721.18

Finding the Fourth Proportional to 10,197.53, 14,072.36 and 5,721.18

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Solution

The fourth proportional to 10,197.53, 14,072.36 and 5,721.18 is: 7,895.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,197.53 : 14,072.36 = 5,721.18 : x
  2. Step 2: Convert to fraction form
    10,197.53/14,072.36 = 5,721.18/x
  3. Step 3: Cross multiply
    10,197.53x = 14,072.36 × 5,721.18
  4. Step 4: Simplify right side
    10,197.53x = 80,510,455.10
  5. Step 5: Solve for x
    x = 80,510,455.10/10,197.53
  6. Step 6: Final answer
    x = 7,895.09

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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.