Home / 11,343.98-17,015.97-4,680.38

Finding the Fourth Proportional to 11,343.98, 17,015.97 and 4,680.38

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Solution

The fourth proportional to 11,343.98, 17,015.97 and 4,680.38 is: 7,020.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343.98 : 17,015.97 = 4,680.38 : x
  2. Step 2: Convert to fraction form
    11,343.98/17,015.97 = 4,680.38/x
  3. Step 3: Cross multiply
    11,343.98x = 17,015.97 × 4,680.38
  4. Step 4: Simplify right side
    11,343.98x = 79,641,265.76
  5. Step 5: Solve for x
    x = 79,641,265.76/11,343.98
  6. Step 6: Final answer
    x = 7,020.57

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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.