Home / 8,301.87-12,450.75-2,458.53

Finding the Fourth Proportional to 8,301.87, 12,450.75 and 2,458.53

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Solution

The fourth proportional to 8,301.87, 12,450.75 and 2,458.53 is: 3,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301.87 : 12,450.75 = 2,458.53 : x
  2. Step 2: Convert to fraction form
    8,301.87/12,450.75 = 2,458.53/x
  3. Step 3: Cross multiply
    8,301.87x = 12,450.75 × 2,458.53
  4. Step 4: Simplify right side
    8,301.87x = 30,610,542.40
  5. Step 5: Solve for x
    x = 30,610,542.40/8,301.87
  6. Step 6: Final answer
    x = 3,687.19

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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.