Home / 7,591.32-11,388.51-3,208.77

Finding the Fourth Proportional to 7,591.32, 11,388.51 and 3,208.77

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Solution

The fourth proportional to 7,591.32, 11,388.51 and 3,208.77 is: 4,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,591.32 : 11,388.51 = 3,208.77 : x
  2. Step 2: Convert to fraction form
    7,591.32/11,388.51 = 3,208.77/x
  3. Step 3: Cross multiply
    7,591.32x = 11,388.51 × 3,208.77
  4. Step 4: Simplify right side
    7,591.32x = 36,543,109.23
  5. Step 5: Solve for x
    x = 36,543,109.23/7,591.32
  6. Step 6: Final answer
    x = 4,813.80

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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.