Home / 7,450.92-11,165.40-3,287.10

Finding the Fourth Proportional to 7,450.92, 11,165.40 and 3,287.10

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Solution

The fourth proportional to 7,450.92, 11,165.40 and 3,287.10 is: 4,925.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.92 : 11,165.40 = 3,287.10 : x
  2. Step 2: Convert to fraction form
    7,450.92/11,165.40 = 3,287.10/x
  3. Step 3: Cross multiply
    7,450.92x = 11,165.40 × 3,287.10
  4. Step 4: Simplify right side
    7,450.92x = 36,701,786.34
  5. Step 5: Solve for x
    x = 36,701,786.34/7,450.92
  6. Step 6: Final answer
    x = 4,925.81

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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.