Home / 11,146.90-16,722.53-4,126.97

Finding the Fourth Proportional to 11,146.90, 16,722.53 and 4,126.97

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Solution

The fourth proportional to 11,146.90, 16,722.53 and 4,126.97 is: 6,191.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.90 : 16,722.53 = 4,126.97 : x
  2. Step 2: Convert to fraction form
    11,146.90/16,722.53 = 4,126.97/x
  3. Step 3: Cross multiply
    11,146.90x = 16,722.53 × 4,126.97
  4. Step 4: Simplify right side
    11,146.90x = 69,013,306.34
  5. Step 5: Solve for x
    x = 69,013,306.34/11,146.90
  6. Step 6: Final answer
    x = 6,191.26

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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.