Home / 12,496.68-18,732-5,915.04

Finding the Fourth Proportional to 12,496.68, 18,732 and 5,915.04

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Solution

The fourth proportional to 12,496.68, 18,732 and 5,915.04 is: 8,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496.68 : 18,732 = 5,915.04 : x
  2. Step 2: Convert to fraction form
    12,496.68/18,732 = 5,915.04/x
  3. Step 3: Cross multiply
    12,496.68x = 18,732 × 5,915.04
  4. Step 4: Simplify right side
    12,496.68x = 110,800,529.28
  5. Step 5: Solve for x
    x = 110,800,529.28/12,496.68
  6. Step 6: Final answer
    x = 8,866.40

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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.