Home / 7,477.58-11,209.23-2,796.32

Finding the Fourth Proportional to 7,477.58, 11,209.23 and 2,796.32

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Solution

The fourth proportional to 7,477.58, 11,209.23 and 2,796.32 is: 4,191.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.58 : 11,209.23 = 2,796.32 : x
  2. Step 2: Convert to fraction form
    7,477.58/11,209.23 = 2,796.32/x
  3. Step 3: Cross multiply
    7,477.58x = 11,209.23 × 2,796.32
  4. Step 4: Simplify right side
    7,477.58x = 31,344,594.03
  5. Step 5: Solve for x
    x = 31,344,594.03/7,477.58
  6. Step 6: Final answer
    x = 4,191.81

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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.