Home / 8,055.30-11,115.99-4,518.57

Finding the Fourth Proportional to 8,055.30, 11,115.99 and 4,518.57

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Solution

The fourth proportional to 8,055.30, 11,115.99 and 4,518.57 is: 6,235.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.30 : 11,115.99 = 4,518.57 : x
  2. Step 2: Convert to fraction form
    8,055.30/11,115.99 = 4,518.57/x
  3. Step 3: Cross multiply
    8,055.30x = 11,115.99 × 4,518.57
  4. Step 4: Simplify right side
    8,055.30x = 50,228,378.93
  5. Step 5: Solve for x
    x = 50,228,378.93/8,055.30
  6. Step 6: Final answer
    x = 6,235.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.