Home / 10,133.62-15,172.44-5,192.62

Finding the Fourth Proportional to 10,133.62, 15,172.44 and 5,192.62

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Solution

The fourth proportional to 10,133.62, 15,172.44 and 5,192.62 is: 7,774.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.62 : 15,172.44 = 5,192.62 : x
  2. Step 2: Convert to fraction form
    10,133.62/15,172.44 = 5,192.62/x
  3. Step 3: Cross multiply
    10,133.62x = 15,172.44 × 5,192.62
  4. Step 4: Simplify right side
    10,133.62x = 78,784,715.39
  5. Step 5: Solve for x
    x = 78,784,715.39/10,133.62
  6. Step 6: Final answer
    x = 7,774.59

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1.5x scale

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.