Home / 10,423.12-15,636.30-3,496

Finding the Fourth Proportional to 10,423.12, 15,636.30 and 3,496

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Solution

The fourth proportional to 10,423.12, 15,636.30 and 3,496 is: 5,244.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,423.12 : 15,636.30 = 3,496 : x
  2. Step 2: Convert to fraction form
    10,423.12/15,636.30 = 3,496/x
  3. Step 3: Cross multiply
    10,423.12x = 15,636.30 × 3,496
  4. Step 4: Simplify right side
    10,423.12x = 54,664,504.80
  5. Step 5: Solve for x
    x = 54,664,504.80/10,423.12
  6. Step 6: Final answer
    x = 5,244.54

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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.