Home / 7,607.20-11,403.24-2,409.16

Finding the Fourth Proportional to 7,607.20, 11,403.24 and 2,409.16

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Solution

The fourth proportional to 7,607.20, 11,403.24 and 2,409.16 is: 3,611.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,607.20 : 11,403.24 = 2,409.16 : x
  2. Step 2: Convert to fraction form
    7,607.20/11,403.24 = 2,409.16/x
  3. Step 3: Cross multiply
    7,607.20x = 11,403.24 × 2,409.16
  4. Step 4: Simplify right side
    7,607.20x = 27,472,229.68
  5. Step 5: Solve for x
    x = 27,472,229.68/7,607.20
  6. Step 6: Final answer
    x = 3,611.35

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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.