Home / 7,307.12-10,084.32-4,163.30

Finding the Fourth Proportional to 7,307.12, 10,084.32 and 4,163.30

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Solution

The fourth proportional to 7,307.12, 10,084.32 and 4,163.30 is: 5,745.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,307.12 : 10,084.32 = 4,163.30 : x
  2. Step 2: Convert to fraction form
    7,307.12/10,084.32 = 4,163.30/x
  3. Step 3: Cross multiply
    7,307.12x = 10,084.32 × 4,163.30
  4. Step 4: Simplify right side
    7,307.12x = 41,983,999.03
  5. Step 5: Solve for x
    x = 41,983,999.03/7,307.12
  6. Step 6: Final answer
    x = 5,745.63

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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.