Home / 10,113.84-15,172.04-3,957.04

Finding the Fourth Proportional to 10,113.84, 15,172.04 and 3,957.04

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Solution

The fourth proportional to 10,113.84, 15,172.04 and 3,957.04 is: 5,936.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113.84 : 15,172.04 = 3,957.04 : x
  2. Step 2: Convert to fraction form
    10,113.84/15,172.04 = 3,957.04/x
  3. Step 3: Cross multiply
    10,113.84x = 15,172.04 × 3,957.04
  4. Step 4: Simplify right side
    10,113.84x = 60,036,369.16
  5. Step 5: Solve for x
    x = 60,036,369.16/10,113.84
  6. Step 6: Final answer
    x = 5,936.06

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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.