Home / 7,469.60-11,209.56-3,087.08

Finding the Fourth Proportional to 7,469.60, 11,209.56 and 3,087.08

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Solution

The fourth proportional to 7,469.60, 11,209.56 and 3,087.08 is: 4,632.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.60 : 11,209.56 = 3,087.08 : x
  2. Step 2: Convert to fraction form
    7,469.60/11,209.56 = 3,087.08/x
  3. Step 3: Cross multiply
    7,469.60x = 11,209.56 × 3,087.08
  4. Step 4: Simplify right side
    7,469.60x = 34,604,808.48
  5. Step 5: Solve for x
    x = 34,604,808.48/7,469.60
  6. Step 6: Final answer
    x = 4,632.75

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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.