Home / 7,335.92-11,002.72-2,405.60

Finding the Fourth Proportional to 7,335.92, 11,002.72 and 2,405.60

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Solution

The fourth proportional to 7,335.92, 11,002.72 and 2,405.60 is: 3,608.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.92 : 11,002.72 = 2,405.60 : x
  2. Step 2: Convert to fraction form
    7,335.92/11,002.72 = 2,405.60/x
  3. Step 3: Cross multiply
    7,335.92x = 11,002.72 × 2,405.60
  4. Step 4: Simplify right side
    7,335.92x = 26,468,143.23
  5. Step 5: Solve for x
    x = 26,468,143.23/7,335.92
  6. Step 6: Final answer
    x = 3,608.02

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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.