Home / 9,621.60-13,277.68-5,372.73

Finding the Fourth Proportional to 9,621.60, 13,277.68 and 5,372.73

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Solution

The fourth proportional to 9,621.60, 13,277.68 and 5,372.73 is: 7,414.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.60 : 13,277.68 = 5,372.73 : x
  2. Step 2: Convert to fraction form
    9,621.60/13,277.68 = 5,372.73/x
  3. Step 3: Cross multiply
    9,621.60x = 13,277.68 × 5,372.73
  4. Step 4: Simplify right side
    9,621.60x = 71,337,389.67
  5. Step 5: Solve for x
    x = 71,337,389.67/9,621.60
  6. Step 6: Final answer
    x = 7,414.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.