Home / 10,391.28-15,592.13-4,845.06

Finding the Fourth Proportional to 10,391.28, 15,592.13 and 4,845.06

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Solution

The fourth proportional to 10,391.28, 15,592.13 and 4,845.06 is: 7,270.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391.28 : 15,592.13 = 4,845.06 : x
  2. Step 2: Convert to fraction form
    10,391.28/15,592.13 = 4,845.06/x
  3. Step 3: Cross multiply
    10,391.28x = 15,592.13 × 4,845.06
  4. Step 4: Simplify right side
    10,391.28x = 75,544,817.49
  5. Step 5: Solve for x
    x = 75,544,817.49/10,391.28
  6. Step 6: Final answer
    x = 7,270.02

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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.