Home / 7,716.12-11,572.35-3,553.53

Finding the Fourth Proportional to 7,716.12, 11,572.35 and 3,553.53

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Solution

The fourth proportional to 7,716.12, 11,572.35 and 3,553.53 is: 5,329.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.12 : 11,572.35 = 3,553.53 : x
  2. Step 2: Convert to fraction form
    7,716.12/11,572.35 = 3,553.53/x
  3. Step 3: Cross multiply
    7,716.12x = 11,572.35 × 3,553.53
  4. Step 4: Simplify right side
    7,716.12x = 41,122,692.90
  5. Step 5: Solve for x
    x = 41,122,692.90/7,716.12
  6. Step 6: Final answer
    x = 5,329.45

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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.