Home / 11,145.03-16,722.98-4,904.26

Finding the Fourth Proportional to 11,145.03, 16,722.98 and 4,904.26

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Solution

The fourth proportional to 11,145.03, 16,722.98 and 4,904.26 is: 7,358.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.03 : 16,722.98 = 4,904.26 : x
  2. Step 2: Convert to fraction form
    11,145.03/16,722.98 = 4,904.26/x
  3. Step 3: Cross multiply
    11,145.03x = 16,722.98 × 4,904.26
  4. Step 4: Simplify right side
    11,145.03x = 82,013,821.54
  5. Step 5: Solve for x
    x = 82,013,821.54/11,145.03
  6. Step 6: Final answer
    x = 7,358.78

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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.