Home / 7,898.67-11,850.03-3,515.04

Finding the Fourth Proportional to 7,898.67, 11,850.03 and 3,515.04

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Solution

The fourth proportional to 7,898.67, 11,850.03 and 3,515.04 is: 5,273.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.67 : 11,850.03 = 3,515.04 : x
  2. Step 2: Convert to fraction form
    7,898.67/11,850.03 = 3,515.04/x
  3. Step 3: Cross multiply
    7,898.67x = 11,850.03 × 3,515.04
  4. Step 4: Simplify right side
    7,898.67x = 41,653,329.45
  5. Step 5: Solve for x
    x = 41,653,329.45/7,898.67
  6. Step 6: Final answer
    x = 5,273.46

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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.